“正常”按钮单击方法在Greasemonkey脚本中不工作？

问题描述：

这是页面上的按钮：

<a id="dispatchOnJobButton" class="ui-btn ui-btn-corner-all ui-shadow ui-btn-up-c" href="#" data-role="button" data-theme="c" data-disabled="false">
<span class="ui-btn-inner ui-btn-corner-all" aria-hidden="true">
<span class="ui-btn-text">Dispatch on next job</span>
</span>
</a>

我需要Greasemonkey才能点击它。我尝试了很多不同的方法，但没有一个似乎触发任何函数应该运行。

I need Greasemonkey to click it. I tried many different methods, but none seem to fire whatever function it is supposed to run.

var clickEvent = document.createEvent("MouseEvents");
clickEvent.initEvent("click", true, true);
document.getElementById('dispatchOnJobButton').dispatchEvent(clickEvent);

// also tried
document.getElementById('dispatchOnJobButton').click();
// and this
unsafeWindow.document.getElementById('dispatchOnJobButton').click();

我可以尝试的其他任何想法吗？

any ideas on something else I could try?

答

不是每个按钮都可以实现点击事件。此外，还不清楚这是一个静态加载的按钮，还是由AJAX加载的。（链接到目标网页！）

Not every button works off a click event. Also, it's not clear if this is a statically loaded button, or if it's loaded by AJAX. (Link to the target page!)

一般方法在在AJAX驱动的网站上选择并激活正确的控件。

这样的完整脚本会在99％的情况下工作：

Something like this complete script will work in 99% of the cases:

// ==UserScript==
// @name     _YOUR_SCRIPT_NAME
// @include  http://YOUR_SERVER.COM/YOUR_PATH/*
// @require  http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js
// @require  https://gist.github.com/raw/2625891/waitForKeyElements.js
// @grant    GM_addStyle
// ==/UserScript==
/*- The @grant directive is needed to work around a design change
    introduced in GM 1.0.   It restores the sandbox.
*/

waitForKeyElements ("#dispatchOnJobButton", triggerMostButtons);

function triggerMostButtons (jNode) {
    triggerMouseEvent (jNode[0], "mouseover");
    triggerMouseEvent (jNode[0], "mousedown");
    triggerMouseEvent (jNode[0], "mouseup");
    triggerMouseEvent (jNode[0], "click");
}

function triggerMouseEvent (node, eventType) {
    var clickEvent = document.createEvent('MouseEvents');
    clickEvent.initEvent (eventType, true, true);
    node.dispatchEvent (clickEvent);
}

如果它不适合你， 链接到目标网页，或发布 SSCCE！

If it doesn't work for you, Link to the target page, or post an SSCCE!

“正常”按钮单击方法在Greasemonkey脚本中不工作？

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