{"id":158338,"date":"2024-05-08T12:48:43","date_gmt":"2024-05-08T04:48:43","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/158338.html"},"modified":"2024-05-08T12:48:48","modified_gmt":"2024-05-08T04:48:48","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-javascript-%e8%8e%b7%e5%8f%96%e9%a1%b5%e9%9d%a2%e5%85%83%e7%b4%a0%e7%9a%84%e4%bd%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/158338.html","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 Javascript \u83b7\u53d6\u9875\u9762\u5143\u7d20\u7684\u4f4d\u7f6e"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/26220842\/d229a939-32b1-49d5-a034-32e5e5c5d885.webp\" alt=\"\u5982\u4f55\u4f7f\u7528 Javascript \u83b7\u53d6\u9875\u9762\u5143\u7d20\u7684\u4f4d\u7f6e\" \/><\/p>\n<p><p>\u5728\u5f00\u53d1Web\u5e94\u7528\u65f6\uff0c\u7ecf\u5e38\u9700\u8981\u6839\u636e\u9875\u9762\u5143\u7d20\u7684\u4f4d\u7f6e\u5b9e\u73b0\u7279\u5b9a\u7684\u52a8\u6001\u6548\u679c\u6216\u4ea4\u4e92\u529f\u80fd\u3002<strong>\u4f7f\u7528 JavaScript \u83b7\u53d6\u9875\u9762\u5143\u7d20\u7684\u4f4d\u7f6e<\/strong>\u53ef\u4ee5\u901a\u8fc7\u51e0\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\u5b9e\u73b0\uff0c\u5305\u62ec\u4f7f\u7528<code>getBoundingClientRect()<\/code>\u65b9\u6cd5\u3001\u5229\u7528<code>offsetLeft<\/code>\u548c<code>offsetTop<\/code>\u5c5e\u6027\u3001\u7ed3\u5408<code>clientLeft<\/code>\u548c<code>clientTop<\/code>\u5c5e\u6027\uff0c\u4ee5\u53ca\u901a\u8fc7<code>scrollTop<\/code>\u548c<code>scrollLeft<\/code>\u5c5e\u6027\u7ed3\u5408\u89c6\u53e3\u4f4d\u7f6e\u8ba1\u7b97\u3002<strong><code>getBoundingClientRect()<\/code>\u65b9\u6cd5\u662f\u6700\u5e38\u7528\u4e14\u7cbe\u786e\u7684\u65b9\u5f0f<\/strong>\uff0c\u5b83\u8fd4\u56de\u5143\u7d20\u7684\u5927\u5c0f\u53ca\u5176\u76f8\u5bf9\u4e8e\u89c6\u53e3\u7684\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001GETBOUNDINGCLIENTRECT()\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p><code>getBoundingClientRect()<\/code>\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a DOMRect \u5bf9\u8c61\uff0c\u5305\u542b\u4e86\u4e00\u7ec4\u7528\u4e8e\u63cf\u8ff0\u8fb9\u6846\u7684\u53ea\u8bfb\u5c5e\u6027\uff1a<code>top<\/code>\u3001<code>right<\/code>\u3001<code>bottom<\/code>\u3001<code>left<\/code>\u3001<code>width<\/code>\u3001\u548c<code>height<\/code>\u3002\u8fd9\u4e9b\u5c5e\u6027\u63d0\u4f9b\u4e86\u5143\u7d20\u7684\u7edd\u5bf9\u4f4d\u7f6e\uff0c\u76f8\u5bf9\u4e8e\u89c6\u53e3\u7684\u4f4d\u7f6e\u4fe1\u606f\u3002<\/p>\n<\/p>\n<ul>\n<li>\u9996\u5148\uff0c\u4f7f\u7528\u8fd9\u4e2a\u65b9\u6cd5\u975e\u5e38\u76f4\u89c9\u548c\u7b80\u5355\u3002\u53ea\u9700\u8981\u5bf9\u76ee\u6807\u5143\u7d20\u8c03\u7528<code>getBoundingClientRect()<\/code>\uff0c\u65e0\u9700\u989d\u5916\u7684\u8ba1\u7b97\u6216\u8005\u5904\u7406\uff0c\u5c31\u80fd\u5f97\u5230\u4e00\u4e2a\u5305\u542b\u6240\u9700\u6240\u6709\u4f4d\u7f6e\u4fe1\u606f\u7684\u5bf9\u8c61\u3002\u8fd9\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u5feb\u901f\u3001\u51c6\u786e\u5730\u83b7\u53d6\u5143\u7d20\u4f4d\u7f6e\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u8003\u8651\u5143\u7d20\u89c6\u53e3\u4f4d\u7f6e\u65f6\u3002<\/li>\n<li>\u5176\u6b21\uff0c\u5b83\u517c\u5bb9\u6240\u6709\u73b0\u4ee3\u6d4f\u89c8\u5668\uff0c\u5305\u62ecIE11\u3002\u8fd9\u610f\u5473\u7740\u4f60\u53ef\u4ee5\u653e\u5fc3\u4f7f\u7528\uff0c\u800c\u4e0d\u5fc5\u62c5\u5fc3\u517c\u5bb9\u6027\u95ee\u9898\u3002\u5b83\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u4e00\u79cd\u7a33\u5b9a\u4e14\u4e00\u81f4\u7684\u65b9\u5f0f\u6765\u83b7\u53d6\u9875\u9762\u5143\u7d20\u7684\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<p><h3>\u4e8c\u3001OFFSETLEFT\u548cOFFSETTOP\u5c5e\u6027<\/h3>\n<\/p>\n<p><p><code>offsetLeft<\/code>\u548c<code>offsetTop<\/code>\u5c5e\u6027\u5206\u522b\u8868\u793a\u5143\u7d20\u5de6\u8fb9\u6846\u548c\u4e0a\u8fb9\u6846\u76f8\u5bf9\u4e8e\u5176<code>offsetParent<\/code>\u5143\u7d20\u5de6\u8fb9\u6846\u548c\u4e0a\u8fb9\u6846\u7684\u8ddd\u79bb\u3002<code>offsetParent<\/code>\u6307\u7684\u662f\u6700\u8fd1\u7684\u5305\u542b\u5143\u7d20\uff0c\u901a\u5e38\u662f\u6700\u8fd1\u7684\u5177\u6709\u76f8\u5bf9\uff08relative\uff09\u3001\u56fa\u5b9a\uff08fixed\uff09\u6216\u7edd\u5bf9\uff08absolute\uff09\u5b9a\u4f4d\u7684\u7236\u7ea7\u5143\u7d20\u3002<\/p>\n<\/p>\n<ul>\n<li>\u4f7f\u7528<code>offsetLeft<\/code>\u548c<code>offsetTop<\/code>\u53ef\u4ee5\u83b7\u5f97\u5143\u7d20\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff0c\u8fd9\u5728\u5904\u7406\u7236\u5b50\u5143\u7d20\u95f4\u7684\u4f4d\u7f6e\u5173\u7cfb\u65f6\u5c24\u5176\u6709\u7528\u3002\u7136\u800c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u4e9b\u503c\u4e0d\u4f1a\u968f\u89c6\u53e3\u7684\u53d8\u5316\u800c\u53d8\u5316\u3002<\/li>\n<li>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u901a\u8fc7\u5faa\u73af\u904d\u5386\u6240\u6709\u7684<code>offsetParent<\/code>\uff0c\u7d2f\u52a0<code>offsetLeft<\/code>\u548c<code>offsetTop<\/code>\u503c\uff0c\u4ee5\u8ba1\u7b97\u5143\u7d20\u76f8\u5bf9\u4e8e\u6587\u6863\u7684\u7edd\u5bf9\u4f4d\u7f6e\u3002\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u6709\u6548\uff0c\u4f46\u4ee3\u7801\u76f8\u5bf9\u8f83\u590d\u6742\uff0c\u4e14\u6027\u80fd\u8f83\u4f4e\u3002<\/li>\n<\/ul>\n<p><h3>\u4e09\u3001CLIENTLEFT\u548cCLIENTTOP<\/h3>\n<\/p>\n<p><p><code>clientLeft<\/code>\u548c<code>clientTop<\/code>\u5c5e\u6027\u5206\u522b\u8868\u793a\u5143\u7d20\u5de6\u8fb9\u6846\u548c\u4e0a\u8fb9\u6846\u7684\u5bbd\u5ea6\uff0c\u901a\u5e38\u7528\u4e8e\u8ba1\u7b97\u5143\u7d20\u5185\u5bb9\u7684\u5f00\u59cb\u4f4d\u7f6e\u3002\u4e3e\u4f8b\u6765\u8bf4\uff0c\u5982\u679c\u4f60\u7684\u5143\u7d20\u6709\u4e00\u4e2a\u5bbd\u5ea6\u4e3a2\u50cf\u7d20\u7684\u8fb9\u6846\uff0c\u90a3\u4e48<code>clientLeft<\/code>\u548c<code>clientTop<\/code>\u7684\u503c\u90fd\u5c06\u4e3a2\u3002<\/p>\n<\/p>\n<ul>\n<li>\u8fd9\u5bf9\u4e8e\u9700\u8981\u7cbe\u786e\u63a7\u5236\u5185\u5bb9\u4f4d\u7f6e\u7684\u573a\u666f\u7279\u522b\u6709\u7528\uff0c\u5c24\u5176\u5728\u9700\u8981\u5c06\u5143\u7d20\u5bf9\u9f50\u5230\u7279\u5b9a\u4f4d\u7f6e\u65f6\u3002<\/li>\n<li>\u5c3d\u7ba1\u5b83\u4eec\u63d0\u4f9b\u4e86\u8fb9\u6846\u7684\u5bbd\u5ea6\u4fe1\u606f\uff0c\u4f46\u5f88\u5c11\u5355\u72ec\u4f7f\u7528\u8fd9\u4e9b\u5c5e\u6027\u6765\u83b7\u53d6\u5143\u7d20\u7684\u4f4d\u7f6e\u4fe1\u606f\u3002\u901a\u5e38\uff0c\u5b83\u4eec\u4e0e<code>getBoundingClientRect()<\/code>\u6216<code>offsetLeft<\/code>\/<code>offsetTop<\/code>\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u63d0\u4f9b\u66f4\u5b8c\u6574\u7684\u4f4d\u7f6e\u63cf\u8ff0\u3002<\/li>\n<\/ul>\n<p><h3>\u56db\u3001SCROLLTOP\u548cSCROLLLEFT\u5c5e\u6027\u4e0e\u89c6\u53e3\u4f4d\u7f6e\u7684\u7ed3\u5408<\/h3>\n<\/p>\n<p><p><code>scrollTop<\/code>\u548c<code>scrollLeft<\/code>\u5c5e\u6027\u5206\u522b\u8868\u793a\u5143\u7d20\u7684\u5185\u5bb9\u6eda\u52a8\u4e86\u591a\u5c11\u8ddd\u79bb\u3002\u901a\u8fc7\u7ed3\u5408\u4f7f\u7528\u8fd9\u4e24\u4e2a\u5c5e\u6027\u548c\u89c6\u53e3\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u8ba1\u7b97\u51fa\u5143\u7d20\u5728\u9875\u9762\u4e0a\u7684\u5b9e\u9645\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n<ul>\n<li>\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u60f3\u8981\u77e5\u9053\u4e00\u4e2a\u5143\u7d20\u76f8\u5bf9\u4e8e\u9875\u9762\u9876\u90e8\u7684\u5b9e\u9645\u8ddd\u79bb\uff0c\u4f60\u53ef\u4ee5\u5c06\u8be5\u5143\u7d20\u7684<code>offsetTop<\/code>\u4e0e<code>scrollTop<\/code>\u503c\u76f8\u52a0\u3002\u8fd9\u79cd\u65b9\u6cd5\u5c24\u5176\u9002\u7528\u4e8e\u957f\u9875\u9762\uff0c\u5176\u4e2d\u5143\u7d20\u53ef\u80fd\u56e0\u4e3a\u6eda\u52a8\u800c\u4e0d\u5728\u89c6\u53e3\u5185\u3002<\/li>\n<li>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4e3a\u4e86\u5f97\u5230\u51c6\u786e\u7684\u7ed3\u679c\uff0c\u53ef\u80fd\u9700\u8981\u8003\u8651\u591a\u4e2a\u6eda\u52a8\u5bb9\u5668\u7684<code>scrollTop<\/code>\u503c\uff0c\u8fd9\u589e\u52a0\u4e86\u8ba1\u7b97\u7684\u590d\u6742\u6027\u3002<\/li>\n<\/ul>\n<p><p>\u7efc\u4e0a\u6240\u8ff0\uff0cJavaScript\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u83b7\u53d6\u9875\u9762\u5143\u7d20\u7684\u4f4d\u7f6e\u3002\u5176\u4e2d\uff0c<code>getBoundingClientRect()<\/code>\u56e0\u5176\u7b80\u4fbf\u6027\u548c\u7cbe\u786e\u6027\u6210\u4e3a\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u3002\u7136\u800c\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\uff0c\u5176\u4ed6\u65b9\u6cd5\u540c\u6837\u53ef\u63d0\u4f9b\u6709\u6548\u7684\u4f4d\u7f6e\u4fe1\u606f\u3002\u7406\u89e3\u548c\u6b63\u786e\u5e94\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5bf9\u4e8e\u5f00\u53d1\u5bcc\u4ea4\u4e92Web\u5e94\u7528\u6765\u8bf4\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. \u5982\u4f55\u4f7f\u7528 Javascript \u83b7\u53d6\u9875\u9762\u5143\u7d20\u7684\u4f4d\u7f6e\uff1f<\/strong><\/p>\n<p>\u83b7\u53d6\u9875\u9762\u5143\u7d20\u7684\u4f4d\u7f6e\u662f\u901a\u8fc7 Javascript \u4e2d\u7684\u51e0\u4e2a\u5c5e\u6027\u548c\u65b9\u6cd5\u6765\u5b9e\u73b0\u7684\u3002\u53ef\u4ee5\u4f7f\u7528<code>offsetLeft<\/code>\u548c<code>offsetTop<\/code>\u6765\u83b7\u53d6\u5143\u7d20\u76f8\u5bf9\u4e8e\u5176\u7236\u5143\u7d20\u7684\u6c34\u5e73\u548c\u5782\u76f4\u4f4d\u7f6e\u3002\u53e6\u5916\uff0c\u53ef\u4ee5\u4f7f\u7528<code>getBoundingClientRect<\/code>\u65b9\u6cd5\u6765\u83b7\u53d6\u5143\u7d20\u76f8\u5bf9\u4e8e\u89c6\u53e3\u7684\u4f4d\u7f6e\u3002\u8fd9\u4e2a\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u5143\u7d20\u5de6\u4e0a\u89d2\u548c\u53f3\u4e0b\u89d2\u76f8\u5bf9\u4e8e\u89c6\u53e3\u7684\u5750\u6807\u7684 DOMRect \u5bf9\u8c61\u3002<\/p>\n<p><strong>2. \u5982\u4f55\u83b7\u53d6\u9875\u9762\u5143\u7d20\u7684\u76f8\u5bf9\u4f4d\u7f6e\u548c\u7edd\u5bf9\u4f4d\u7f6e\uff1f<\/strong><\/p>\n<p>\u8981\u83b7\u53d6\u9875\u9762\u5143\u7d20\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u4f7f\u7528<code>offsetLeft<\/code>\u548c<code>offsetTop<\/code>\u5c5e\u6027\u6765\u83b7\u53d6\u5143\u7d20\u76f8\u5bf9\u4e8e\u5176\u7236\u5143\u7d20\u7684\u6c34\u5e73\u548c\u5782\u76f4\u4f4d\u7f6e\u3002\u5982\u679c\u8981\u83b7\u53d6\u5143\u7d20\u76f8\u5bf9\u4e8e\u9875\u9762\u7684\u7edd\u5bf9\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u4f7f\u7528<code>getBoundingClientRect<\/code>\u65b9\u6cd5\u3002\u8fd9\u4e2a\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u5143\u7d20\u5de6\u4e0a\u89d2\u548c\u53f3\u4e0b\u89d2\u76f8\u5bf9\u4e8e\u89c6\u53e3\u7684\u5750\u6807\u7684 DOMRect \u5bf9\u8c61\u3002\u53ef\u4ee5\u901a\u8fc7\u83b7\u53d6\u5143\u7d20\u7684 left \u548c top 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