PHP文本框的问题
刚学PHP,碰到好多问题,请好心人帮忙解决!
1.文本框里已经有内容了value="内容",,怎么做到点击按钮,使这个文本框里的内容清空或者用别的内容替代已有的内容
2.怎么在一个下拉菜单中选一个值的时候 另外一个文本框会内会显示相应的内容
比如选1 的时候 文本框显示2
选2的时候 文本框显示2
请高手指教,有代码的话发一个。
------解决方案--------------------
应该都是javascript的问题。
------解决方案--------------------
------------------------------
document.getElementById('test').value = '文本框空容';//为空则是清除
------解决方案--------------------
function delSearch(svalue) { //reloads the window if Nav4 resized
var searchkey=document.getElementById("searchKey");
if (searchkey.value==svalue){
searchkey.value='';
}
}
------解决方案--------------------
js 实现吧
------解决方案--------------------
。。。html里面有个按钮是专门用来清空的。
- HTML code
<input type="reset" value="清 空"> <br><font color="#e78608">------解决方案--------------------</font><br>
------解决方案--------------------
..........
------解决方案--------------------
------解决方案--------------------
onclick="reset()"

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