{"id":677,"date":"2017-03-03T15:40:18","date_gmt":"2017-03-03T07:40:18","guid":{"rendered":"http:\/\/www.qdabc.cn\/?p=677"},"modified":"2017-03-03T15:14:15","modified_gmt":"2017-03-03T07:14:15","slug":"js%e6%9f%a5%e6%89%be%e6%a0%87%e7%ad%be%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"http:\/\/www.qdabc.cn\/?p=677","title":{"rendered":"js\u67e5\u627e\u6807\u7b7e\u7684\u65b9\u6cd5"},"content":{"rendered":"
<!DOCTYPE html>\r\n<html>\r\n<head>\r\n    <meta charset=\"utf-8\">\r\n    <title>DOM\u5bf9\u8c61<\/title>\r\n<\/head>\r\n<body>\r\n    <div id=\"a\">hello!<\/div>\r\n    <div class=\"f_l\">\u6211\u8981\u5411\u5de6\u6d6e\u52a8<\/div>\r\n    <div class=\"f_r\">\u6211\u8981\u5411\u53f3\u6d6e\u52a8<\/div>\r\n    <div name=\"b\">\u6211\u662fname\u4e3ab\u7684div<\/div>\r\n    <div name=\"b\">\u6211\u662fbv<\/div>\r\n<\/body>\r\n<script type=\"text\/javascript\">\r\n    var d1 = document.getElementById(\"a\");    \/\/\u901a\u8fc7id\u53f7\u67e5\u627e\u6807\u7b7e\r\n    console.log(d1.innerHTML);\r\n    var d2 = document.getElementsByTagName(\"div\");     \/\/\u901a\u8fc7\u6807\u7b7e\u540d\u67e5\u627e\u6807\u7b7e\uff0c\u6240\u6709\u67e5\u627e\u5230\u7684\u6807\u7b7e\u4e3a\u4e00\u4e2a\u96c6\u5408\r\n    console.log(d2[3].innerHTML);                      \/\/\u5fc5\u987b\u6309\u7167\u83b7\u53d6\u96c6\u5408\u5185\u5bb9\u7684\u65b9\u6cd5\u83b7\u53d6\r\n    var d3= document.getElementsByName(\"b\");            \/\/\u901a\u8fc7name\u65b9\u6cd5\u67e5\u627e\u6807\u7b7e\r\n    console.log(d3[1].innerHTML);\r\n    var d4 = document.getElementsByClassName(\"f_l\");        \/\/\u901a\u8fc7\u7c7b\u540d\u67e5\u627e\u6807\u7b7e\r\n    console.log(d4[0].innerHTML);\r\n<\/script>\r\n<\/html><\/pre>\n
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