\u5728\u4e00\u4e9b\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u4f1a\u6709\u9700\u8981\u77e5\u9053\u67d0\u4e00\u4e2a\u63a7\u4ef6\u5728\u9875\u9762\u4e2d\u7684\u4f4d\u7f6e\uff0c\u5728\u7f51\u4e0a\u6bd4\u8f83\u5bb9\u6613\u627e\u5230\u4e0b\u9762\u8fd9\u4e2a\u89e3\u51b3\u65b9\u6cd5\u3002<\/p>\n
\u5728\u9875\u9762\u4e2d\u6709\u4e00\u4e2a\u6309\u94ae\uff1a<\/p>\n
\r\n<input id=a type="button" \r\n value="click me to get position" \r\n onclick="getPos(this)"\/>\r\n<\/pre>\n\u5728\u811a\u672c\u4e2d\u54cd\u5e94\u70b9\u51fb\u4e8b\u4ef6\u7684\u662f\u8fd9\u4e2a\u51fd\u6570\uff1a<\/p>\n
\r\nfunction getPos(e){\r\n var t=e.offsetTop;\r\n var l=e.offsetLeft;\r\n while(e=e.offsetParent){\r\n t+=e.offsetTop;\r\n l+=e.offsetLeft;\r\n }\r\n alert("top="+t+"\\nleft="+l);\r\n}\r\n<\/pre>\n\u8fd9\u4e2a\u65b9\u6cd5\u7684\u5b9e\u73b0\u76f8\u5f53\u7cbe\u70bc\uff0c\u610f\u601d\u5c31\u662f\u5148\u53d6\u5f97\u81ea\u5df1\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff0c\u518d\u53e0\u52a0\u5176\u6700\u8fd1\u7684\u76f8\u5bf9\u4f4d\u7f6e\u5bb9\u5668\uff08offsetParent\uff0c\u5b83\u4e0d\u4e00\u5b9a\u662f\u5176\u7236\u8282\u70b9\uff09\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff0c\u76f4\u81f3\u9876\u5c42\u4f4d\u7f6e\u5bb9\u5668\uff08\u4e00\u822c\u5c31\u662fbody\uff09\uff0c\u4ece\u800c\u5f97\u51fa\u8be5\u8282\u70b9\u7684\u76f8\u5bf9\u4f4d\u7f6e\u3002<\/p>\n
\u4e0d\u8fc7\uff0c\u5f88\u5feb\u5c31\u53d1\u73b0\u8fd9\u4e2a\u51fd\u6570\u4e5f\u8bb8\u5e76\u4e0d\u591f\u7528\uff0c\u56e0\u4e3a\u6211\u5728\u9875\u9762\u91cc\u6709\u53ef\u80fd\u4f7f\u7528\u4e86\u4e00\u4e9bCSS\u6765\u4f7f\u5f97\u672c\u6765\u5e73\u94fa\u7684\u753b\u9762\u53d8\u6210\u4e00\u4e2a\u6eda\u52a8\u533a\u57df\uff0c\u4f8b\u5982\u8bbe\u7f6e\u4e86\u7236\u8282\u70b9\u7684height\u4e3a\u67d0\u4e2a\u503c\uff0c\u5e76\u4e14\u5176overflow\u8bbe\u4e3aauto\u6216\u8005scroll\u3002\u8fd9\u65f6\uff0c\u4e0a\u9762\u7684\u65b9\u6cd5\u56e0\u4e3a\u6ca1\u6709\u8ba1\u7b97\u5176\u6eda\u52a8\u504f\u79fb\uff0c\u6240\u4ee5\u6240\u5f97\u7684\u503c\u4e0d\u4e00\u5b9a\u662f\u5143\u7d20\u5f53\u524d\u7684\u7edd\u5bf9\u4f4d\u7f6e\uff0c\u6240\u4ee5\u6211\u5bf9\u4e0a\u9762\u7684\u65b9\u6cd5\u8fdb\u884c\u4e86\u4e00\u4e9b\u5c0f\u6539\u52a8\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u52a0\u5165\u4e86\u5bf9\u5176\u6eda\u52a8\u504f\u79fb\u91cf\u7684\u8ba1\u7b97\u3002<\/p>\n
\r\nfunction getPosition(sender) {\r\n var e=sender,E=e;\r\n var x=e.offsetLeft;\r\n var y=e.offsetTop;\r\n while (e=e.offsetParent) {\r\n var P=e.parentNode;\r\n while (P!=(E=E.parentNode)) {\r\n x-=E.scrollLeft;\r\n y-=E.scrollTop;\r\n }\r\n x+=e.offsetLeft;\r\n y+=e.offsetTop;\r\n E=e;\r\n }\r\n return {"x":x,"y":y};\r\n \/\/alert("top="+y+"\\nleft="+x);\r\n}\r\n<\/pre>\n\u7a0d\u5fae\u6d4b\u8bd5\u4e86\u4e00\u4e0b\uff0c\u57fa\u672c\u4e0a\u5728IE\u548cFF\u4e2d\u90fd\u80fd\u6b63\u5e38\u8fd0\u8f6c\u3002<\/p>\n
\u5728\u8fd0\u7528\u65b9\u9762\uff0c\u7531\u4e8e\u4f7f\u7528\u5230\u5f80\u4e0a\u904d\u5386\uff0c\u5982\u679c\u8282\u70b9\u6811\u7ed3\u6784\u8fc7\u4e8e\u590d\u6742\uff0c\u800c\u4e14\u6709\u4e0d\u4f1a\u6709\u6eda\u52a8\u51fa\u73b0\u7684\u8bdd\uff0c\u90a3\u4e48\u8fd8\u662f\u7528\u7b2c\u4e00\u4e2a\u65b9\u6cd5\u5c31\u8db3\u591f\u4e86\u3002<\/p>\n
\u6ce8\uff1a\u53c8\u662f\u7092\u51b7\u996d -_-! \u539f\u4f5c\u53d1\u8868\u4e8e 2007-09-08<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728\u4e00\u4e9b\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u4f1a\u6709\u9700\u8981\u77e5\u9053\u67d0\u4e00\u4e2a\u63a7\u4ef6\u5728\u9875\u9762\u4e2d\u7684\u4f4d\u7f6e\uff0c\u5728\u7f51\u4e0a\u6bd4\u8f83\u5bb9\u6613\u627e\u5230\u4e0b\u9762\u8fd9\u4e2a\u89e3\u51b3\u65b9\u6cd5\u3002 \u5728\u9875\u9762\u4e2d\u6709\u4e00\u4e2a\u6309 … <\/p>\n