在选择模拟点击事件(不适用于IE和FF) [英] Simulate click event on select (not working for IE and FF)
问题描述
我想在选择使用按钮上模拟点击事件。我通过以下链接获得灵感。
用jQuery模拟点击select元素
在上面的线程中,这个小提琴对铬合金工作正常。我面临的问题与Firefox和Internet Explorer的行为相同。
我编辑了小提琴。这是小提琴,但它似乎不起作用。在这个小提琴中,我可以进入功能,但实际的点击事件不会触发选择。我缺少一段代码,因为我的代码不工作。任何填写空白的帮助。
这里是HTML代码。
< select id =dropdown>
< option value =Red>红色< / option>
< option value =Green>绿色< / option>
< option value =Blue>蓝色< / option>
< / select>
< br>
< button id =firetype =buttononclick =runThis()>显示下拉项目< / button>
这是Javascript。
//< select>元素在mousedown上显示其选项,而不是单击。
showDropdown = function(element){
var event;
event = document.createEvent('MouseEvents');
event.initMouseEvent('mousedown',true,true,window);
element.dispatchEvent(event);
};
//这不是魔术。
window.runThis = function(){
var dropdown = document.getElementById('dropdown');
// showDropdown(dropdown);
eventFire(下拉,'点击');
};
函数eventFire(el,etype){
alert('hi');
if(el.fireEvent){
el.fireEvent('on'+ etype);
el [etype]();
} else {
var evObj = document.createEvent('Events');
evObj.initEvent(etype,true,false,window);
el.dispatchEvent(evObj);
$ / code $ / pre
我还发现了几种相同的参考文献
HTML文件
<按钮>触发链接以下< /按钮>< br />
< a href =http://www.yahoo.com/target =_ blank>
http://www.google.com/</a> (新窗口)
< br>
< select id =dropdown>
< option value =Red>红色< / option>
< option value =Green>绿色< / option>
< option value =Blue>蓝色< / option>
< / select>
这是javascript文件。
function eventFire(el,etype){
alert('hi');
if(el.fireEvent){
el.fireEvent('on'+ etype);
el [etype]();
} else {
var evObj = document.createEvent('Events');
evObj.initEvent(etype,true,false);
el.dispatchEvent(evObj);
document.getElementsByTagName(button)[0] .onclick = function(){
var element = document.getElementsByTagName(select )[0];
eventFire(element,click);
};
上面这个小提琴也不起作用。
请让我知道是否需要更多信息。
我从stackoverflow本身引用上面的小提琴。由于我的帐户限制,我无法粘贴直接链接。
解决方案以下是我所做的:
$(#fire)。click(function(){
var e = document.createEvent(MouseEvents);
e.initMouseEvent(mousedown);
$(#dropdown)[0] .dispatchEvent(e);
});
I want to simulate click event on select using button. I have inspired through the following link.
Simulate click on select element with jQuery
On above thread this fiddle is working fine for chrome. I am facing an issue with same behavior for firefox and Internet explorer.
I have edited the fiddle. This is fiddle but it seems it is not working. In this fiddle I am able to get into the function but actual click event is not firing on select. I am missing pieces of code and because of that my code is not working. Any help with fill in the blanks.
here is HTML code.
<select id="dropdown">
<option value="Red">Red</option>
<option value="Green">Green</option>
<option value="Blue">Blue</option>
</select>
<br>
<button id="fire" type="button" onclick="runThis()">Show dropdown items</button>
This is Javascript.
// <select> element displays its options on mousedown, not click.
showDropdown = function (element) {
var event;
event = document.createEvent('MouseEvents');
event.initMouseEvent('mousedown', true, true, window);
element.dispatchEvent(event);
};
// This isn't magic.
window.runThis = function () {
var dropdown = document.getElementById('dropdown');
//showDropdown(dropdown);
eventFire(dropdown, 'click');
};
function eventFire(el, etype) {
alert('hi');
if (el.fireEvent) {
el.fireEvent('on' + etype);
el[etype]();
} else {
var evObj = document.createEvent('Events');
evObj.initEvent(etype, true, false, window);
el.dispatchEvent(evObj);
}
}
Also I found couple of references for the same kind of operation.
HTML file
<button>Trigger the link below</button><br />
<a href="http://www.yahoo.com/" target="_blank">
http://www.google.com/</a> (new window)
<br>
<select id="dropdown">
<option value="Red">Red</option>
<option value="Green">Green</option>
<option value="Blue">Blue</option>
</select>
This is javascript file.
function eventFire(el, etype) {
alert('hi');
if (el.fireEvent) {
el.fireEvent('on' + etype);
el[etype]();
} else {
var evObj = document.createEvent('Events');
evObj.initEvent(etype, true, false);
el.dispatchEvent(evObj);
}
}
document.getElementsByTagName("button")[0].onclick = function() {
var element = document.getElementsByTagName("select")[0];
eventFire(element, "click");
};
This above fiddle is also not working.
Please let me know if any more information needed.
Above fiddle I am referencing from stackoverflow itself. Because of my account limitation I can not paste direct link.
解决方案 Here is what I did:
$("#fire").click(function () {
var e = document.createEvent("MouseEvents");
e.initMouseEvent("mousedown");
$("#dropdown")[0].dispatchEvent(e);
});
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