开发跨浏览器的JavaScript

判定浏览器类型:if(document.uniqueID)如果为TRUE是IE,否则非IE。
1向表中追加行
2通过JAVASCRIPT设置元素的样式
3设置元素的CLASS属性
4创建输入元素
5向输入元素增加事件处理程序
6创建单选按钮

1. 1.
2.  
3. <table id="MyTable>
4. <tbody id="MyTableBody"></tbody>
5. </table>
6. var cell = documentcreateElement("td").appendChild(document.createTextNode("foo"));
7. var row = document.createElement("tr").appendChild(cell);
8. document.getElementById("MyTableBoyd").appendChild(row);
9.  
10.  
11. 2.
12. var spanElement = document.getElementById("myspan");
13. //spanElement.setAttribute("style","font-weight:bold;color:red");
14. spanElement.style.cssText="font-weight:bold;color:red";
15.  
16. 3.
17. element.setAttribute("class","stylename");//非IE
18. element.setAttribute("className","stylename");//IE
19.  
20. 4.
21. var button = document.createElement("input");
22. button.setAttribute("type","button");
23. document.getElementById("form").appendChild(button);
24.  
25. 5.
26. var element = document.getElementById("ee");
27. element.onclick=function(){todo();};
28.  
29. 6.
30. var ration = document.createElement("<input type=‘radio‘ name=‘radioa‘ value=‘checked‘>);//ie
31.  
32. vat radion = document.createElement("input");
33. radion .setAttribute("type","radio");
34. radion.setAttribute("name","radionsss");
35. radion.setAttribute("value","checked");