如
<select id = "select1" name = "select1" size=1>
<option value="1">test1</option>
<option value="2">test2</option>
<option value="2">test3</option>
</select>现在需要设置默认值为test3,JS中应该怎么写,因为value可能有重复,所以只能使用里面的text来定位
<select id = "select1" name = "select1" size=1>
<option value="1">test1</option>
<option value="2">test2</option>
<option value="2">test3</option>
</select>现在需要设置默认值为test3,JS中应该怎么写,因为value可能有重复,所以只能使用里面的text来定位
<select id = "select1" name = "select1" size=1>
<option value="1">test1 </option>
<option value="2">test2 </option>
<option value="2" selected>test3 </option>
</select>
function selectStr(str){
var sel=document.getElementById("select1").options;
for(var i=0;i<sel.length;i++){
if(sel.options[i].text==str){
sel.options[i].selected=true;
}
}
}
window.onload=function(){
selectStr("test3")
}
</script><select id = "select1" name = "select1" size=1>
<option value="1">test1 </option>
<option value="2">test2 </option>
<option value="2">test3 </option>
</select>
<script type="text/javascript">
window.onload = function() {
var sel = document.getElementById("select1");
var option = sel.getElementsByTagName("option");
var len = option.length;
for (var i = 0; i < len; i++) {
if (option[i].innerHTML = "test3") {
option[i].setAttribute("selected", "selected");
break;
}
}
}</script>
<select id = "select1" name = "select1" size=1>
<option value="1">test1 </option>
<option value="2">test2 </option>
<option value="2">test3 </option>
</select> FF没有text属性