标签：知识 rip change inpu bsp val body 也会 判断
| <!DOCTYPE html> | |
| <html> | |
| <head lang="en"> | |
| <meta charset="UTF-8"> | |
| <title></title> | |
| </head> | |
| <body> | |
| <div> | |
| <input type="text" id="mytxt" onchange="txtchange()"/> | |
| <span></span> | |
| </div> | |
| <ul>要求: | |
| <li>获取文本框元素,并判断输入的内容;</li> | |
| <li>如果输入的内容为武侯区,则在后面的span元素中提示: OK;如果不是,则提示: No</li> | |
| </ul> | |
| <script> | |
| function txtchange(){ | |
| var c=document.getElementById("mytxt").value; | |
| var span=document.getElementsByTagName("span"); | |
| if(c=="武侯区"){ | |
| for(var i=0;i<span.length;i++){ | |
| span[i].innerHTML="OK"; | |
| } | |
| } | |
| else{ | |
| for(i=0;i<span.length;i++){ | |
| span[i].innerHTML="NO"; | |
| } | |
| } | |
| } | |
| </script> | |
| </body> | |
| </html> |
标签：知识 rip change inpu bsp val body 也会 判断
原文地址：http://www.cnblogs.com/host717/p/6666163.html
