从javascript函数打开下拉列表 [英] open dropdown list from javascript function
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问题描述
但最终我没有成功。需要帮助
这是我的代码:
< script>
函数showState(str){
$('#Acntname')。trigger('click');
}
< / script>
...
< select class =input_panelid =Acntname>
< option value =0>选择< / option>
< option value =1>股本股本< / option>
< option value =2> Deprication Fund< / option> < /选择>
< input type =textclass =input_panelid =accountnameonkeyup =showState(this.value)/>
我使用触发的功能打开下拉菜单,但无法使用。
解决方案
在这里,您可以做到这一点。您可以通过在下拉菜单上调度mousedown事件来完成此操作。
JS:
window.showState = function(str){
var dropdown = document.getElementById 'Acntname');
var event = document.createEvent('MouseEvents');
event.initMouseEvent('mousedown',true,true,window);
dropdown.dispatchEvent(event);
}
编辑:这在 Chrome< 53 ,对Firefox和IE不确定。
Iam trying to show the dropdown option when javascript function is called. but eventually iam not succeed on this. need help Here is my code:
<script>
function showState(str){
$('#Acntname').trigger('click');
}
</script>
...
<select class="input_panel" id="Acntname" >
<option value="0">Select</option>
<option value="1">Equity Share Capital</option>
<option value="2">Deprication Fund</option> </select>
<input type="text" class="input_panel" id="accountname" onkeyup="showState(this.value)"/>
i used triggered function to open the dropdown but it doesn't work.
解决方案
Here you go..you can do this by dispatching mousedown event on dropdown..
JS:
window.showState = function (str) {
var dropdown = document.getElementById('Acntname');
var event = document.createEvent('MouseEvents');
event.initMouseEvent('mousedown', true, true, window);
dropdown.dispatchEvent(event);
}
EDIT: This works perfectly in Chrome <53, not sure for Firefox and IE.
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