How can I simulate an anchor click via jquery?

2020-01-22 12:28发布

站内问答 / jQuery
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I have a problem with faking an anchor click via jQuery: Why does my thickbox appear the first time I click on the input button, but not the second or third time?

Here is my code:

<input onclick="$('#thickboxId').click();" type="button" value="Click me" />

<a id="thickboxId" href="myScript.php" class="thickbox" title="">Link</a>

It does always work when I click directly on the link, but not if I try to activate the thickbox via the input button. This is in FF. For Chrome it seems to work every time. Any hints?

17条回答
对你真心纯属浪费
2楼-- · 2020-01-22 13:14

this approach works on firefox, chrome and IE. hope it helps someone:

var comp = document.getElementById('yourCompId');
try { //in firefox
    comp.click();
    return;
} catch(ex) {}
try { // in chrome
    if(document.createEvent) {
        var e = document.createEvent('MouseEvents');
        e.initEvent( 'click', true, true );
        comp.dispatchEvent(e);
        return;
    }
} catch(ex) {}
try { // in IE
    if(document.createEventObject) {
         var evObj = document.createEventObject();
         comp.fireEvent("onclick", evObj);
         return;
    }
} catch(ex) {}
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Animai°情兽
3楼-- · 2020-01-22 13:15

To simulate a click on an anchor while landing on a page, I just used jQuery to animate the scrollTop property in $(document).ready. No need for a complex trigger, and that works on IE 6 and every other browser.

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男人必须洒脱
4楼-- · 2020-01-22 13:16

I'd suggest to look at the Selenium API to see how they trigger a click on an element in a browser-compatible manner:

Look for the BrowserBot.prototype.triggerMouseEvent function.

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SAY GOODBYE
5楼-- · 2020-01-22 13:17

This doesn't work on android native browser to click "hidden input (file) element":

$('a#swaswararedirectlink')[0].click();

But this works:

$("#input-file").show();
$("#input-file")[0].click();
$("#input-file").hide();
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孤傲高冷的网名
6楼-- · 2020-01-22 13:19

Do you need to fake an anchor click? From the thickbox site:

ThickBox can be invoked from a link element, input element (typically a button), and the area element (image maps).

If that is acceptable it should be as easy as putting the thickbox class on the input itself:

<input id="thickboxButton" type="button" class="thickbox" value="Click me">

If not, I would recommend using Firebug and placing a breakpoint in the onclick method of the anchor element to see if it's only triggered on the first click.

Edit:

Okay, I had to try it for myself and for me pretty much exactly your code worked in both Chrome and Firefox:

<html>
<head>
<link rel="stylesheet" href="thickbox.css" type="text/css" media="screen" />
</head>
<body>
<script src="jquery-latest.pack.js" type="text/javascript"></script>
<script src="thickbox.js" type="text/javascript"></script>
<input onclick="$('#thickboxId').click();" type="button" value="Click me">
<a id="thickboxId" href="myScript.php" class="thickbox" title="">Link</a>
</body>
</html>

The window pop ups no matter if I click the input or the anchor element. If the above code works for you, I suggest your error lies elsewhere and that you try to isolate the problem.

Another possibly is that we are using different versions of jquery/thickbox. I am using what I got from the thickbox page - jquery 1.3.2 and thickbox 3.1.

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做个烂人
7楼-- · 2020-01-22 13:19

In Javascript you can do like this

function submitRequest(buttonId) {
    if (document.getElementById(buttonId) == null
            || document.getElementById(buttonId) == undefined) {
        return;
    }
    if (document.getElementById(buttonId).dispatchEvent) {
        var e = document.createEvent("MouseEvents");
        e.initEvent("click", true, true);
        document.getElementById(buttonId).dispatchEvent(e);
    } else {
        document.getElementById(buttonId).click();
    }
}

and you can use it like

submitRequest("target-element-id");
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