{"id":150,"date":"2023-06-09T18:44:06","date_gmt":"2023-06-09T10:44:06","guid":{"rendered":"https:\/\/www.qzdd.net\/?p=150"},"modified":"2023-06-09T18:44:06","modified_gmt":"2023-06-09T10:44:06","slug":"%e4%bd%a0%e5%bf%85%e9%a1%bb%e7%9f%a5%e9%81%93%e7%9a%84-offsetwidth-clientwidth-scrollwidth","status":"publish","type":"post","link":"https:\/\/www.qzdd.net\/?p=150","title":{"rendered":"\u4f60\u5fc5\u987b\u77e5\u9053\u7684 offsetWidth, clientWidth, scrollWidth"},"content":{"rendered":"\n

\u524d\u8a00\uff1a<\/strong> \u5728\u516c\u53f8\u79fb\u52a8\u7aef\u9879\u76ee\u4e2d\uff0c\u6211\u9700\u8981\u5341\u5206\u9891\u7e41\u7684\u548c DOM<\/strong> \u5143\u7d20\u7684\u5404\u79cd width<\/strong>\u3001height<\/strong> \u6253\u4ea4\u9053\u3002\u4f46\u662f\u8fd9\u91cc\u6709\u8fd9\u4e48\u591a\u5173\u4e8e width<\/strong> \u7684\u5c5e\u6027\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\u5230\u5e95\u4f53\u73b0\u5728\u54ea\u91cc\uff1f\u8fd9\u662f\u6211\u521a\u521a\u63a5\u89e6\u79fb\u52a8\u7aef\u9879\u76ee\u5341\u5206\u5934\u75bc\u7684\u4e00\u4e2a\u95ee\u9898\u3002\u7ecf\u8fc7\u51e0\u5929\u7684\u67e5\u9605\uff0c\u7ec8\u4e8e\u641e\u660e\u767d\u4e86\u8fd9\u51e0\u4e2a\u7684\u4e0d\u540c\u4e4b\u5904\uff0c\u7279\u6765\u5206\u4eab\u3002<\/p>\n\n\n\n

tips<\/strong>: \u672c\u6587\u610f\u6307\u8ba9\u4f60\u81ea\u5df1\u901a\u8fc7\u8054\u60f3\u8bb0\u7262\u8fd9\u51e0\u4e2a\u5c5e\u6027\u7684\u533a\u522b\uff0c\u800c\u4e0d\u662f\u5355\u7eaf\u5730\u8868\u8fbe\u5b83\u4eec\u6982\u5ff5\u4e0a\u7684\u4e0d\u540c\uff0c\u6545\u7bc7\u5e45\u4f1a\u8f83\u957f\uff0c\u8fd8\u5e0c\u671b\u8bfb\u8005\u8010\u4e0b\u5fc3\u7ec6\u7ec6\u54c1\u8bfb\u2615\ufe0f\u3002<\/p>\n\n\n\n

\u4e00. \u524d\u671f\u51c6\u5907<\/h2>\n\n\n\n
    \n
  1. \u5728\u5b66\u4e60\u8fd9\u51e0\u4e2a\u6982\u5ff5\u4e4b\u524d\uff0c\u6211\u5f3a\u70c8\u5efa\u8bae\u4f60\u7528\u4f60\u559c\u6b22\u7684\u6846\u67b6\u6216\u8005\u5de5\u5177\u53bb\u7b80\u5355\u5199\u4e00\u4e2a <div><\/code> \u5143\u7d20\u6765\u66f4\u6df1\u523b\u7684\u4f53\u4f1a\u6211\u63a5\u4e0b\u6765\u8bb2\u89e3\u7684\u5185\u5bb9\u3002\u4e0d\u7528\u7279\u522b\u590d\u6742\uff0c\u5341\u5206\u7b80\u5355\u7684\uff0c\u5e26\u6709\u5bbd\u5ea6\u9ad8\u5ea6\u7684 div<\/code> \u5373\u53ef\u3002
    \"image.png\"
    \u5728\u9875\u9762\u4e0a\u7684\u6548\u679c\u5982\u4e0b\u3002
    \"image.png\"<\/li>\n\n\n\n
  2. \u63a5\u4e0b\u6765\u4f60\u9700\u8981\u8fdb\u5165\u5230\u5f00\u53d1\u8005\u9875\u9762\uff0c\u9009\u4e2d\u521a\u521a\u6211\u4eec\u521b\u9020\u7684\u8fd9\u4e2a div<\/code> \u5143\u7d20\u3002
    \"image.png\"<\/li>\n\n\n\n
  3. \u7136\u540e\u4f60\u9700\u8981\u4ece\u53f3\u8fb9\u7684\u9009\u9879\u5361\u4e2d\u627e\u5230 Properties(dom \u5c5e\u6027)<\/code> \u8fd9\u4e00\u9879\u4e2d\u7b5b\u9009\u51fa\u5e26\u6709 width<\/strong> \u7684\u51e0\u4e2a\u5c5e\u6027\u3002
    \"width.gif\"
    \u63a5\u4e0b\u6765\u4f60\u5c06\u4f1a\u9891\u7e41\u7684\u770b\u5230\u8fd9\u4e09\u4e2a\u5c5e\u6027\u7684\u53d8\u5316\u3002<\/li>\n<\/ol>\n\n\n\n

    \u4e8c. clientWidth<\/h2>\n\n\n\n
      \n
    1. \u4e09\u4e2a\u5c5e\u6027\u4e2d\u6211\u4eec\u5148\u5bf9 clientWidth \u521d\u6b65\u8bb2\u89e3\u4e00\u4e0b\u3002<\/li>\n\n\n\n
    2. \u6211\u76f8\u4fe1\u5927\u5bb6\u521d\u6b21\u53bb MDN<\/strong> \u67e5\u9605\u8fd9\u4e2a Css<\/strong> \u5c5e\u6027\u7684\u65f6\u5019\uff0c\u4e00\u5b9a\u770b\u5230\u8fc7\u4e0b\u9762\u8fd9\u5f20\u56fe\u3002
      \"image.png\"<\/li>\n\n\n\n
    3. \u521d\u6b21\u770b\u5230\u8fd9\u5f20\u56fe\uff0c\u611f\u89c9\u5b83\u4ec0\u4e48\u90fd\u8bb2\u4e86\uff0c\u4f46\u662f\u53c8\u597d\u50cf\u4e0d\u77e5\u9053\u5b83\u5230\u5e95\u60f3\u8868\u8fbe\u4ec0\u4e48\u3002\u5982\u679c\u4f60\u4e5f\u6709\u8fd9\u6837\u7684\u7591\u60d1\uff0c\u672c\u6587\u5c06\u5e26\u4f60\u4e00\u6b65\u6b65\u53bb\u4f53\u4f1a\u5b83\u5230\u5e95\u60f3\u8868\u8fbe\u4ec0\u4e48\u3002<\/li>\n\n\n\n
    4. \u9996\u5148\u5207\u5fcc\u6b7b\u8bb0\u786c\u80cc\u5c5e\u6027\u540d\uff0c\u6211\u4eec\u9700\u8981\u5341\u5206\u660e\u786e\u7684\u77e5\u9053\u8fd9\u4e2a\u5c5e\u6027\u540d\u4e3a\u4ec0\u4e48\u53eb clientWidth<\/code> \u800c\u4e0d\u662f\u53eb \u5c0f\u732a\u4f69\u5947Width<\/code>\u3002\u4e0b\u9762\u662f\u8fd9\u4e2a\u5355\u8bcd\u7684\u7ffb\u8bd1\uff0c\u6211\u8ba4\u4e3a client<\/code> \u8fd9\u4e2a\u5355\u8bcd\u5728\u8fd9\u91cc\u8bed\u5883\u4e2d\u6700\u4f73\u7684\u7ffb\u8bd1\u5e94\u8be5\u4e3a—“\u5ba2\u6237\u7aef\uff0c\u7528\u6237\u7aef”<\/strong>\u3002
      \"image.png\"<\/li>\n\n\n\n
    5. ok\uff0c\u6211\u77e5\u9053\u4f60\u53ef\u80fd\u8fd8\u662f\u6709\u7591\u60d1\uff0c\u522b\u7740\u6025\uff0c\u6211\u4eec\u4e00\u6b65\u4e00\u6b65\u6765\u3002\u7ecf\u8fc7\u4e0a\u9762 width<\/code> \u5c5e\u6027\u641c\u7d22\u7ed3\u679c\u53ef\u77e5\uff0c\u806a\u660e\u7684\u4f60\u53ef\u80fd\u5df2\u7ecf\u53d1\u73b0 clientWidth<\/code> \u7684\u503c\u4e0d\u5c31\u662f\u6211\u4eec\u7ed9\u8fd9\u4e2a box<\/code> \u8bbe\u7f6e\u7684 width<\/code> \u7684\u5c5e\u6027\u503c 100 \u5417\uff1f
      \"image.png\"<\/li>\n\n\n\n
    6. \u662f\u7684\uff0c\u5bf9\u4e86\uff0c\u4f46\u662f\u4e0d\u5b8c\u5168\u5bf9\u3002\u8fd9\u91cc\u66f4\u597d\u7684\u8bf4\u6cd5\u5e94\u8be5\u662f\uff1a\u201c\u6309\u7167\u6211\u4eec\u73b0\u5728\u7684\u5e03\u5c40\u548c\u6837\u5f0f\uff0cclientWidth<\/code> \u7684\u503c<\/strong>\u548c width<\/code> \u7684\u503c<\/strong>\u662f\u76f8\u7b49\u7684\u3002\u201d\u5bf9\uff0c\u53ea\u80fd\u79f0\u4f5c\u5b83\u4eec\u7684\u503c<\/strong>\u662f\u76f8\u7b49\u7684\uff0c\u800c\u4e0d\u80fd\u8bf4\u8fd9\u4e24\u4e2a\u5c5e\u6027\u662f\u5168\u7b49\u7684\u3002<\/li>\n\n\n\n
    7. \u90a3\u8fd9\u4e2a clientWidth<\/code> \u5230\u5e95\u8be5\u600e\u4e48\u53bb\u7406\u89e3\u5462\uff1f\u201c\u5ba2\u6237\u7aef\u7684\u5bbd\u5ea6<\/strong>\uff1f\u7528\u6237\u7aef\u7684\u5bbd\u5ea6<\/strong>\uff1f\u201d\u603b\u611f\u89c9\u54ea\u91cc\u602a\u602a\u7684\u3002?<\/li>\n\n\n\n
    8. \u5728\u8fd9\u91cc\u6211\u5148\u629b\u51fa\u4e00\u4e2a\u6211\u4e2a\u4eba\u8ba4\u4e3a\u6bd4\u8f83\u8d34\u5207\u7684\u8bf4\u6cd5\uff1a\u201cclientWidth<\/code> \u6307\u7684\u662f\u4e00\u4e2a dom<\/strong> \u5143\u7d20\u4e2d\uff0c\u5f53\u524d\u72b6\u6001\u4e0b\u53ef\u4ee5\u88ab\u7528\u6237\u5373\u65f6\u770b\u5230\u7684\u5bbd\u5ea6\uff08\u7406\u89e3\u4e3a\u53ef\u89c6\u533a\u57df\u7684\u5bbd\u5ea6\u6216\u8bb8\u4e5f\u53ef\u4ee5\uff09\u3002<\/li>\n\n\n\n
    9. \u201d\u4ec0\u4e48\u610f\u601d\uff1f\u5047\u8bbe\u4f60\u73b0\u5728\u9762\u524d\u653e\u7740\u4e00\u4e2a\u7a7a\u7684\u6b63\u65b9\u4f53\u7684\u5feb\u9012\u76d2\u5b50?\u3002\u91cc\u9762\u586b\u5145\u4e86\u4e00\u4e2a\u5927\u5c0f\u6070\u597d\u4e00\u6a21\u4e00\u6837\u7684\u9ed1\u8272\u6b63\u65b9\u4f53\u94c1\u5757\u3002\u90a3\u4e48\u4f60\u76ee\u524d\u770b\u5230\u7684\u8fd9\u4e2a\u94c1\u5757\u7684\u5bbd\u5ea6\u5c31\u79f0\u4f5c\u5feb\u9012\u76d2\u5b50(box)\u7684 clientWidth<\/code>\u3002<\/li>\n\n\n\n
    10. \u73b0\u5728\u6211\u4eec\u628a\u94c1\u5757\u53d6\u51fa\u6765\uff0c\u5f97\u5230\u4e86\u4e00\u4e2a\u7a7a\u7684\u76d2\u5b50\u5bf9\u5427\uff1f\u73b0\u5728\u6211\u5728\u76d2\u5b50\u5468\u56f4\u8d34\u4e0a\u4e86\u4e00\u570810\u5398\u7c73\u5bbd\u7684\u767d\u8272\u6ce1\u6cab\u677f\u3002\u7136\u540e\u53c8\u627e\u6765\u4e86\u4e00\u4e2a\u5c0f\u4e00\u53f7\u7684\uff0c\u4f46\u662f\u53c8\u6070\u597d\u53ef\u4ee5\u4e00\u8d77\u585e\u8fdb\u7bb1\u5b50\u91cc\u7684\u94c1\u5757\u3002\u4f53\u73b0\u5230\u6211\u4eec\u7684\u4f8b\u5b50\u4e0a\u5c31\u662f box<\/code> \u52a0\u4e0a\u4e86 10px \u7684 border<\/code> \u5c5e\u6027\u3002
      \"image.png\"
      \"image.png\"
      \u7136\u540e\u6211\u4eec\u518d\u53bb Properties<\/code> \u9009\u9879\u5361\u67e5\u770b\u8fd9\u4e09\u4e2a\u5c5e\u6027\u3002
      \"image.png\"<\/li>\n\n\n\n
    11. \u6211\u4eec\u53d1\u73b0 clientWidth<\/code> \u7684\u5bbd\u5ea6\u51cf\u5c11\u4e86 20px\u3002\uff08\u6211\u4eec\u4e0d\u662f\u53ea\u8bbe\u7f6e\u4e86 10px \u5417\uff1f\u600e\u4e48\u4e00\u4e0b\u5b50\u51cf\u5c11\u4e86 20px \u5462\uff1f\u6211\u5e0c\u671b\u4f60\u4e0d\u8981\u5fd8\u4e86\uff0cborder<\/code> \u5982\u679c\u6ca1\u6307\u5b9a\u5177\u4f53\u65b9\u5411\u7684\u8bdd\uff0c\u5b83\u4f1a\u5728\u4e0a\u4e0b\u5de6\u53f3\u90fd\u8bbe\u5b9a\u4e00\u4efd…\u5c31\u50cf\u4f60\u5728\u5feb\u9012\u76d2\u5b50\u56db\u4e2a\u8fb9\u90fd\u585e\u4e86\u4e00\u4efd\u6ce1\u6cab\u677f\uff09<\/li>\n\n\n\n
    12. \u6b64\u65f6\u4f60\u80fd\u770b\u5230\u7684\u94c1\u5757\u7684\u5bbd\u5ea6\u5c31\u662f clientWidth<\/code>\uff0c\u6211\u4eec\u597d\u50cf\u53ef\u4ee5\u5f97\u51fa\u4e00\u4e2a\u7ed3\u8bba\uff0cclientWidth<\/code> = width- \u5de6border - \u53f3border<\/code>\u3002\u4e0d\u5bf9\uff0c\u4e0d\u80fd\u8fd9\u4e48\u65e9\u4e0b\u7ed3\u8bba\uff0c\u6211\u4eec\u597d\u50cf\u9057\u5fd8\u4e86\u4e00\u4e2a\u4e00\u4e2a\u91cd\u8981\u5c5e\u6027 padding<\/code>\u3002\u6211\u4eec\u76ee\u524d\u8fd8\u4e0d\u77e5\u9053 padding<\/code> \u4f1a\u4e0d\u4f1a\u5f71\u54cd clientWidht<\/code> \u7684\u503c\u3002ok\uff0c\u90a3\u6211\u4eec\u5c31\u9a8c\u8bc1\u4e00\u4e0b\uff0c\u73b0\u5728\u6211\u4eec\u7ed9\u8fd9\u4e2a\u76d2\u5b50\u6dfb\u52a0\u4e00\u4e2a 10px \u7684 padding<\/code> \u770b\u4e00\u4e0b\u4f1a\u4e0d\u4f1a\u53d1\u751f\u4ec0\u4e48\u53d8\u5316\u3002
      \"image.png\"
      \u53ef\u4ee5\u770b\u51fa\uff0c\u6211\u4eec\u52a0\u7684 padding<\/code> \u597d\u50cf\u786e\u5b9e\u6ca1\u6709\u5f71\u54cd\u5230 clientWidth<\/code> \u7684\u5bbd\u5ea6\u3002 \"image.png\"
      \u6211\u4eec\u521a\u521a\u5f97\u51fa\u7684 clientWidth<\/code> = width- \u5de6border - \u53f3border<\/code> \u770b\u6765\u8fd8\u662f\u7ad9\u5f97\u4f4f\u811a\u7684\u3002<\/li>\n\n\n\n
    13. \u5176\u5b9e\u5728\u8fd9\u91cc\u6211\u66f4\u60f3\u8868\u8fbe\u7684\u662f\uff0c\u6211\u4eec\u5728\u7406\u89e3 padding<\/code> \u8fd9\u4e2a\u5c5e\u6027\u7684\u65f6\u5019\uff0c\u6211\u4eec\u5176\u5b9e\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u4e3a\u5185\u5bb9\u533a\u7684\u4e00\u90e8\u5206\u3002\u56e0\u4e3a padding<\/code> \u5c5e\u6027\u5176\u5b9e\u4e5f\u662f\u53d7\u5230\u4e86 bg-color(background-color)<\/code> \u7684\u5f71\u54cd\uff0c\u800c border<\/code> \u5c5e\u6027\u662f\u6ca1\u6709\u53d7\u5230 bg<\/code> \u5f71\u54cd\u800c\u53d8\u4e3a\u9ed1\u8272\u7684\u3002\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48 padding<\/code> \u6ca1\u6709 padding-color<\/code> \u8fd9\u4e00\u5c5e\u6027\u7684\u539f\u56e0\uff0c\u56e0\u4e3a\u5b83\u672c\u8eab\u662f\u88ab\u5f53\u6210\u4e86\u5185\u5bb9\u533a\u7684\u4e00\u4e00\u90e8\u5206\uff0c\u5b83\u7684\u989c\u8272\u662f\u968f\u7740\u5185\u5bb9\u533a(\u4e5f\u5c31\u662f bg-color<\/code>) \u800c\u6539\u53d8\u7684\u539f\u56e0\u3002<\/li>\n\n\n\n
    14. \u8fd9\u65f6\u5019\u6211\u4eec\u518d\u53bb\u770b\u8fd9\u5f20\u56fe\uff0c\u8fd9\u91cc padding<\/code> \u4e3a\u4ec0\u4e48\u6709\u989c\u8272\uff1f\u8fd9\u5176\u5b9e\u662f MDN<\/code> \u4e3a\u4e86\u66f4\u597d\u7684\u53bb\u8868\u73b0\u51fa padding<\/code> \u5c5e\u6027\u800c\u201c\u7279\u610f\u201d\u6dfb\u52a0\u4e0a\u4e86\u4e0d\u540c\u989c\u8272\u7684\u3002
      \"image.png\"
      \u6240\u4ee5\uff0c clientWidth<\/code> \u8fd9\u4e00\u5c5e\u6027\u66f4\u50cf\u662f\u63cf\u8ff0\u7528\u6237\u53ef\u4ee5\u76f4\u63a5\u770b\u5230\u7684\u5185\u5bb9\u533a\u57df\u3002
      <\/li>\n\n\n\n
    15. tips<\/strong>: \u8fd9\u91cc\u9700\u8981\u7279\u522b\u6ce8\u610f\uff01\uff01\u6211\u4eec\u73b0\u5728\u7684\u7ed3\u8bba\u662f\u7ad9\u5728 box-sizing<\/code> \u5c5e\u6027\u4e3a border-box<\/code> \u7684\u524d\u63d0\u4e0b\u7684\uff0c\u540e\u9762\u6211\u4f1a\u8bb2\u89e3\u5230 box-sizing<\/code> \u4e3a content-box<\/code> \u65f6 clientWidth<\/code> \u7684\u4e0d\u540c\u3002<\/li>\n<\/ol>\n\n\n\n

      \u4e09. offsetWidth<\/h2>\n\n\n\n
        \n
      1. \u5173\u4e8e offsetWidth<\/code>\uff0c\u5176\u5b9e MDN<\/code> \u6709\u8fd9\u6837\u4e00\u53e5\u8bdd\u80fd\u591f\u5f88\u5b8c\u7f8e\u7684\u8868\u73b0\u51fa\u5b83\u60f3\u8868\u8fbe\u7684\u610f\u601d\u3002
        \"image.png\"
        <\/li>\n\n\n\n
      2. \u5b83\u7684\u6982\u5ff5\u5176\u5b9e\u975e\u5e38\u975e\u5e38\u7b80\u5355\uff0c\u5c31\u662f\u5728 box-sizing:border<\/code> \u7684\u65f6\u5019 offsetWidth \u5176\u5b9e\u5c31\u7b49\u4e8e dom \u5143\u7d20\u7684 width<\/strong>\u3002\u4e0d\u77e5\u9053\u4f60\u662f\u5426\u9057\u5fd8\u4e86 box-sizing:content<\/code> \u8fd9\u4e2a\u6807\u51c6\u76d2\u5b50\u6a21\u578b\u7684\u6982\u5ff5\u3002\u8ba9\u6211\u4eec\u5207\u6362\u4e00\u4e0b box-sizing<\/code> \u7684\u5c5e\u6027\uff0c\u53d8\u4e3a content<\/code> \u6765\u770b\u770b\u8fd9\u4e2a\u5c5e\u6027\u503c\u6709\u4ec0\u4e48\u53d8\u5316\u3002
        \"image.png\"
        \"image.png\"
        \u53ef\u4ee5\u5f88\u6e05\u695a\u7684\u770b\u5230\uff0c\u5728 box-sizing:conetent<\/code> \u7684\u65f6\u5019 offsetWidth= width + \u5de6border + \u53f3border + \u5de6padding + \u53f3padding<\/strong>\u3002<\/li>\n<\/ol>\n\n\n\n
        \n

        \u8fd9\u662f\u56e0\u4e3a\u5728 content-box<\/code> \u7684\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u8bbe\u7f6e\u7684 dom<\/strong> \u5143\u7d20\u7684\u5bbd\u5ea6\u5176\u5b9e\u4ec5\u4ec5\u53ea\u662f\u5185\u5bb9\u533a\u7684\u5bbd\u5ea6<\/strong>\u3002\u6211\u4eec\u8bbe\u7f6e\u7684 border \u548c padding \u90fd\u662f\u7531\u5185\u5bb9\u533a\u5411\u5916\u6269\u5f20\u3002<\/p>\n<\/blockquote>\n\n\n\n

        \n

        \u5728 border-box<\/code> \u4e0b\u8bbe\u7f6e\u7684 border<\/code> \u548c padding<\/code> \u90fd\u662f\u7531\u76d2\u5b50\u5411\u5185\u90e8\u6536\u7f29\u6765\u7ed9 border \u6216\u8005 padding \u201c\u817e\u5730\u65b9\u201d\u3002<\/p>\n<\/blockquote>\n\n\n\n

          \n
        1. \u800c offsetWidth<\/code> \u8fd9\u4e2a\u5c5e\u6027\u662f\u4e3a\u4e86\u8868\u8fbe\u4e86\u76d2\u5b50\u7684\u771f\u5b9e\u7269\u7406\u5bbd\u5ea6<\/strong>\u3002\u6240\u4ee5\u5b83\u7684\u8ba1\u7b97\u65b9\u5f0f\u4f1a\u6839\u636e box-sizing<\/code> \u7684\u4e0d\u540c\u800c\u4e0d\u540c\u3002<\/li>\n\n\n\n
        2. \u5728\u8fd9\u91cc\u4f60\u53ef\u80fd\u4f1a\u597d\u5947\uff0c\u4e3a\u4ec0\u4e48 clientWidth<\/code> \u4e5f\u8ddf\u7740\u53d8\u4e86\uff1f\u5176\u5b9e\u6839\u636e\u6211\u4eec\u4e0a\u9762\u8bb2\u7684\uff1a\u201cpadding<\/code> \u5176\u5b9e\u662f\u7b97\u4f5c\u7279\u6b8a\u7684\u5185\u5bb9\u533a\u201d\u6765\u5206\u6790\uff0c\u5f88\u5bb9\u6613\u5c31\u53ef\u4ee5\u60f3\u5230 clientWidth= 100px+ 10px + 10px<\/code>\uff0c \u6240\u4ee5\u5c31\u7b49\u4e8e\u4e86 120px\u3002<\/li>\n<\/ol>\n\n\n\n

          \u56db. scrollWidth<\/h2>\n\n\n\n
            \n
          1. \u4e3a\u4ec0\u4e48\u5728\u4e0a\u9762\u6211\u538b\u6839\u6ca1\u63d0\u8fd9\u4e2a\u5c5e\u6027\u5462\uff1f\u56e0\u4e3a\u8fd9\u4e2a\u5c5e\u6027\u7684\u89e6\u53d1\u6761\u4ef6\u5f88\u7279\u6b8a\uff0c\u5b83\u53ea\u6709\u5728\u7279\u6b8a\u7684\u573a\u666f\u4e0b\u624d\u80fd\u4f53\u73b0\u51fa\u548c clientWidth<\/code> \u7684\u533a\u522b\u3002\uff08tips<\/strong>\uff1a\u5b83\u786e\u5b9e\u662f\u9700\u8981\u5bf9\u6807 clientWidth<\/code> \u7684\uff0c\u5148\u4e0d\u8981\u7591\u60d1\uff0c\u63a5\u7740\u5f80\u4e0b\u770b\u4f60\u5c31\u660e\u767d\u4e3a\u4ec0\u4e48\u5bf9\u6807\u7684\u662f clientWidth<\/code> \u800c\u4e0d\u662f offsetwidht<\/code> \u4e86\u3002\uff09<\/li>\n\n\n\n
          2. \u90a3\u8fd9\u4e2a\u201c\u7279\u6b8a\u573a\u666f\u201d\u6307\u7684\u662f\u4ec0\u4e48\u5462\uff1f\u5176\u5b9e\u4f60\u5e94\u8be5\u975e\u5e38\u719f\u6089—-overflow<\/code>\u3002<\/li>\n\n\n\n
          3. ok\uff0c\u90a3\u6211\u4eec\u600e\u4e48\u521b\u5efa\u8fd9\u4e2a\u7279\u6b8a\u573a\u666f\u5462\uff1f\u5176\u5b9e\u975e\u5e38\u975e\u5e38\u7b80\u5355\uff0c\u4f60\u5728\u8fd9\u4e2a 100px \u5bbd\u5ea6\u7684\u76d2\u5b50\u91cc\u591a\u6253\u51e0\u4e2a\u5b57\u5c31\u53ef\u4ee5\u3002 \u6211\u4eec\u7b80\u5355\u8bbe\u7f6e\u4e00\u4e0b\u5b57\u4f53\u7684\u989c\u8272\u548c\u5927\u5c0f\u3002\u6ce8\u610f<\/strong>\uff1a\u8fd9\u91cc\u6211\u4eec\u5df2\u7ecf\u628a box-sizing<\/code> \u5207\u6362\u6210\u4e86 border-box<\/code>\uff0c\u8fd9\u91cc\u4e3a\u4e86\u8868\u73b0\u6ea2\u51fa\uff0c\u6211\u4eec\u9700\u8981\u8bbe\u7f6e\u4e00\u4e2a\u7279\u6b8a\u7684\u5c5e\u6027 white-space:nowrap<\/code>
            <\/li>\n<\/ol>\n\n\n\n
            <template>\n  <div class=\"box\">\u5e0c\u671b\u5927\u5bb6\u53ef\u4ee5\u4ece\u6211\u535a\u5ba2\u4e2d\u5b66\u5230\u4e00\u4e9b\u65b0\u7684\u77e5\u8bc6<\/div>\n<\/template>\n\n<style scoped>\n.box {\n  width: 100px;\n  height: 100px;\n  font-size: 20px;\n  white-space: nowrap;\n  color: red;\n  background: black;\n\n  border: 10px solid blue; \/* 10cm \u7684\u6ce1\u6cab\u677f *\/\n  padding: 10px;\n}\n<\/style>\n<\/code><\/pre>\n\n\n\n
              \n
            1. \u5f88\u6e05\u695a\u7684\u770b\u5230\uff0c\u7531\u4e8e\u6211\u4eec\u7684\u5b57\u4f53\u5bbd\u5ea6\u8fc7\u5927\uff0c\u5bfc\u81f4\u76d2\u5b50\u585e\u4e0d\u4e0b\uff0c\u4f46\u662f\u6211\u4eec\u53c8\u6ca1\u6709\u8bbe\u7f6e\u6ea2\u51fa\u573a\u666f\u7684\u5904\u7406\u65b9\u6cd5\uff0c\u5c31\u5bfc\u81f4\u4e86\u73b0\u5728\u7684\u6837\u5b50\u3002
              \"image.png\"<\/li>\n\n\n\n
            2. \u6211\u60f3\u4f60\u5df2\u7ecf\u8feb\u4e0d\u53ca\u5f85\u7684\u53bb Properties<\/code> \u53bb\u67e5\u770b\u8fd9\u51e0\u4e2a\u5c5e\u6027\u4e86\uff0c\u4f46\u662f\u4f60\u6709\u53ef\u80fd\u4e00\u8138\u7591\u60d1\u7684\u56de\u6765\u3002
              \"image.png\"
              \u4ec0\u4e48\u60c5\u51b5\uff0c\u8fd9 scrollWidth<\/code> \u4e5f\u6ca1\u53d8\u554a\uff01\u6211\u6000\u7591\u4f60\u5728\u9a97\u6211\u3002?<\/li>\n\n\n\n
            3. \u5176\u5b9e\u4ece scroll<\/code> \u8fd9\u4e2a\u8bcd\u6211\u4eec\u731c\u6216\u8bb8\u4e5f\u80fd\u731c\u5230\u4ec0\u4e48\u3002
              \"image.png\"
              \u65e2\u7136\u548c\u201c\u6eda\u52a8\u201d\u6709\u5173\uff0c\u90a3\u4e48\u73b0\u5728\u9875\u9762\u53d1\u751f\u6eda\u52a8\u4e86\u5417\uff1f\u6ca1\u6709\uff0c\u600e\u4e48\u624d\u53ef\u4ee5\u6eda\u52a8\u5462\uff1f\u6ca1\u9519 overflow-auto<\/code>(\u5176\u5b83\u503c\u4e5f\u4e00\u6837\uff0c\u53ea\u4e0d\u8fc7 auto<\/code> \u65b9\u4fbf\u4e00\u70b9)\u3002<\/li>\n\n\n\n
            4. \u8bbe\u7f6e\u4e86 overflow<\/code> \u7684\u5904\u7406\u540e\uff0c\u6211\u4eec\u73b0\u5728\u9875\u9762\u5e94\u8be5\u662f\u4e0b\u9762\u8fd9\u4e2a\u6837\u5b50\u3002
              \"image.png\"
              \u6211\u4eec\u518d\u53bb\u67e5\u770b\u8fd9\u4e09\u4e2a\u5c5e\u6027\uff0c\u4f60\u4f1a\u53d1\u73b0 scrollWidth<\/code> \u5df2\u7ecf\u53d8\u4e86\u3002
              \"image.png\"<\/li>\n\n\n\n
            5. \u90a3 390 \u8fd9\u4e2a\u6570\u503c\u662f\u600e\u4e48\u6765\u7684\u5462\uff1f\u8fd9\u4e2a\u5176\u5b9e\u6570\u503c\u8981\u6839\u636e\u4f60\u5b9e\u9645\u9879\u76ee\u9020\u6210\u6ea2\u51fa\u7684\u539f\u56e0\u6765\u5206\u6790\u7684\u3002\u4f46\u662f scrollWidth<\/code> \u8fd9\u4e2a\u5c5e\u6027\u5b9e\u9645\u4e0a\u4ee3\u8868\u7684\u662f\u201cdom\u5143\u7d20\u5185\u5bb9\u533a\u7684\u771f\u5b9e\u5bbd\u5ea6<\/strong>\u201d\u3002\u4ec0\u4e48\u610f\u601d\u5462\uff1f\u8ba9\u6211\u4eec\u5148\u628a overflow-auto<\/code> \u5c5e\u6027\u5220\u9664\uff0c\u6062\u590d\u6210\u5b83\u539f\u6765\u6ea2\u51fa\u7684\u6837\u5b50\u3002
              \"image.png\"
              <\/li>\n\n\n\n
            6. \u7136\u540e\u6211\u4eec\u9700\u8981\u901a\u8fc7\u4e00\u4e9b\u201c\u7279\u6b8a\u7684\u624b\u6cd5\u201d\u53bb\u6d4b\u91cf\u4e00\u4e0b\u8fd9\u4e2a\u503c\u662f\u4f53\u73b0\u5728\u54ea\u91cc\u3002
              \"overflow.gif\"
              390 \u5b9e\u9645\u4e0a\u5c31\u662f\u6587\u5b57\u533a\u57df+ padding<\/code> \u533a\u57df\u7684\u5bbd\u5ea6\u3002\u8bf4\u7684\u76f4\u767d\u4e00\u70b9\uff0c\u5176\u5b9e\u5c31\u662f\u5185\u5bb9\u533a\uff08content\uff09\u3002<\/strong>\uff08\u6211\u518d\u5f3a\u8c03\u4e00\u4e0b\uff0c\u4f60\u53ef\u4ee5\u628a padding<\/code> \u7406\u89e3\u4e3a\u7279\u6b8a\u7684\u5185\u5bb9\u533a<\/strong>\uff09<\/li>\n\n\n\n
            7. \u6ca1\u9519\uff0c\u5230\u8fd9\u91cc\u6211\u60f3\u4f60\u5927\u6982\u5df2\u7ecf\u660e\u767d\u4e86\uff0c\u5b9e\u9645\u4e0a scrollWidth<\/code> \u4ee3\u8868\u7684\u5c31\u662f\u5185\u5bb9\u533a\u7684\u771f\u5b9e\u5bbd\u5ea6<\/strong>\u3002\u5728\u8fd9\u91cc\u6211\u4eec\u5c31\u9700\u8981\u628a clientWidth<\/code> \u62ce\u51fa\u6765\u8bb2\u4e00\u4e0b\u4e86\u3002\u540c\u6837\u662f\u8868\u8fbe\u5185\u5bb9\u533a<\/strong>\u5bbd\u5ea6\u7684\u3002<\/li>\n<\/ol>\n\n\n\n
              \n
              1.\u5728\u5185\u5bb9\u533a\u6ca1\u6709\u53d1\u751f\u6ea2\u51fa\u7684\u60c5\u51b5\u4e0b\uff0cscrollWidth<\/strong> = clientWidth<\/strong> \u56e0\u4e3a\u5b83\u4eec\u90fd\u662f\u4ee3\u8868\u5185\u5bb9\u533a\u7684\u5bbd\u5ea6\u3002
              2.\u5728\u5185\u5bb9\u533a\u53d1\u751f\u4e86\u6ea2\u51fa\uff0c\u5e76\u4e14\u8bbe\u7f6e\u4e86 overflow-scroll<\/strong> \u4e4b\u7c7b\u7684\u5c5e\u6027\u7684\u60c5\u51b5\u4e0b\uff0cclientWidth<\/code> \u4ee3\u8868dom \u5f53\u524d\u72b6\u6001\u4e0b\uff0c\u5b9e\u9645\u4e0a\u5c55\u793a\u5728\u53ef\u89c6\u533a\u57df\u7684 \u5185\u5bb9\u533a\uff08content)<\/strong> \u7684\u5bbd\u5ea6,\u800c scrollWidth<\/strong> \u5219\u4ee3\u8868\u4e86\u771f\u5b9e\u7684\u5185\u5bb9\u533a<\/strong>\u7684\u5bbd\u5ea6\uff0c\u5305\u62ec\u4e86\u90a3\u4e9b\u6ca1\u6709\u5c55\u73b0\u5728\u7528\u6237\u9762\u524d\u7684\uff0c\u9700\u8981\u6eda\u52a8\u624d\u53ef\u4ee5\u770b\u5230\u7684\u5185\u5bb9\u7684\u5bbd\u5ea6\u3002\u8fd9\u65f6\u5019 scrollWidth<\/strong>= clientWidth<\/strong> + \u6ea2\u51fa\u7684\u5185\u5bb9\u533a\u7684\u5bbd\u5ea6<\/strong>\u3002<\/p>\n<\/blockquote>\n\n\n\n
                \n
              1. \u6240\u4ee5 clientWidth<\/code> \u66f4\u786e\u5207\u7684\u4e2d\u6587\u7ffb\u8bd1\u5e94\u8be5\u662f—\u5ba2\u6237\u7aef\u53ef\u89c6\u533a\u57df\u5185\uff0c\u5185\u5bb9\u533a\u7684\u5bbd\u5ea6\u3002<\/strong><\/li>\n<\/ol>\n\n\n\n
                \u7ed3\u8bed<\/h2>\n\n\n\n
                \u8fd9\u4e09\u4e2a\u5c5e\u6027\u6240\u5bf9\u5e94\u7684 offsetHeight<\/code> \u3001clientHeigh<\/code> \u548c scrollHeight<\/code> \u90fd\u662f\u540c\u6837\u7684\u9053\u7406\uff0c\u5728\u8fd9\u91cc\u5c31\u4e0d\u91cd\u590d\u8d58\u8ff0\u4e86\uff0c\u5e0c\u671b\u8bfb\u8005\u53ef\u4ee5\u81ea\u5df1\u4e3e\u4e00\u53cd\u4e09\u81ea\u884c\u63a8\u5bfc\u8fd9\u4e09\u4e2a\u5c5e\u6027\u4ee3\u8868\u4ec0\u4e48\u610f\u601d\u3002<\/p>\n\n\n\n
                \u4ece\u5b66\u4e60\u8fd9\u51e0\u4e2a\u5c5e\u6027\u7684\u8fc7\u7a0b\u4e2d\u624d\u771f\u6b63\u4f53\u4f1a\u5230\uff1a\u201c\u770b\u4e00\u5343\u904d\u6587\u6863\uff0c\u4e0d\u5982\u81ea\u5df1\u52a8\u624b\u5b9e\u8df5\u4e00\u904d<\/strong>\u201d\u7684\u9053\u7406\u3002\u8fd8\u5e0c\u671b\u5927\u5bb6\u4e5f\u53ef\u4ee5\u8ddf\u7740\u81ea\u5df1\u6572\u4e00\u6572\uff0c\u771f\u7684\u4e0d\u96be\u3002\u4e0e\u541b\u5171\u52c9<\/strong>\u624d\u662f\u6211\u5199\u8fd9\u7bc7\u6587\u7ae0\u7684\u521d\u8877\uff5e<\/p>\n\n\n\n
                \n
                \u4f5c\u8005\uff1a\u97e9\u632f\u65b9
                \u94fe\u63a5\uff1ahttps:\/\/juejin.cn\/post\/7196128985612189752<\/a>
                \u6765\u6e90\uff1a\u7a00\u571f\u6398\u91d1
                \u8457\u4f5c\u6743\u5f52\u4f5c\u8005\u6240\u6709\u3002\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u8054\u7cfb\u4f5c\u8005\u83b7\u5f97\u6388\u6743\uff0c\u975e\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904\u3002<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"
                \u524d\u8a00\uff1a \u5728\u516c\u53f8\u79fb\u52a8\u7aef\u9879\u76ee\u4e2d\uff0c\u6211\u9700\u8981\u5341\u5206\u9891\u7e41\u7684\u548c DOM \u5143\u7d20\u7684\u5404\u79cd width\u3001height \u6253\u4ea4\u9053\u3002\u4f46\u662f\u8fd9\u91cc […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[32,50,58],"class_list":["post-150","post","type-post","status-publish","format-standard","hentry","category-base","tag-clientwidth","tag-offsetwidth","tag-scrollwidth"],"_links":{"self":[{"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/posts\/150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=150"}],"version-history":[{"count":0,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/posts\/150\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.qzdd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}