js在ie8上动态增加表格tr的bug

js在ie8下动态增加表格tr的bughtml body table idmytable tr th adf/th th 123/th th

js在ie8下动态增加表格tr的bug

<html> <body> <table id="mytable"> <tr> <th >adf</th> <th >123</th> <th >342</th> <th >4545</th> </tr> </table> <script>var fragment = document.createDocumentFragment();var tableElement = document.getElementById("mytable");alert(tableElement .innerHTML); //输出值为<TBODY><TR>.....</TR></TBODY>alert(tableElement .outerHTML);//输出值为<TABLE id=mytable><TBODY><TR>...</TR></TBODY></TABLE>for (var i=0; i<10; i++) {var tr = document.createElement("tr");for (var j=0; j<4; j++) {var td = document.createElement("td");td.innerHTML = "111";tr.appendChild(td);fragment.appendChild(tr);}}tableElement .appendChild(fragment);//如果注释掉这句,在ie8下不会增加tr,在firefox下表现正常//判断是否是ie浏览器,如果是的话用tableElement .outerHTML = tableElement .outerHTML保证append标签正确使用if(document.all) {tableElement .outerHTML = tableElement .outerHTML; //outHTML是ie下特有的属性,firefox下没有}</script></body> </html> 

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