Status: New
Owner: [email protected]
Labels: Type-Defect Priority-Medium jQuery
New issue 1810 by [email protected]: Domado elements behave spuriously in
response to jQuery click()
http://code.google.com/p/google-caja/issues/detail?id=1810
Given the following example code:
<script
src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.js"></script>
<p id="a">clickme A</p>
<p id="b">clickme B</p>
<p id="c">clickme C</p>
<p id="d">clickme D</p>
<p id="e">clickme E</p>
<p id="f">clickme F</p>
<script>
var s = '';
$('#a')[0].onclick = function() {
s += 'clicked A';
};
$('#b')[0].addEventListener('click', function() {
s += 'clicked B';
});
$('#c').on('click', function() {
s += 'clicked C';
});
$('#a').click();
$('#b').click();
$('#c').click();
alert(s);
$('#d')[0].onclick = function() {
alert('clicked D');
};
$('#e')[0].addEventListener('click', function() {
alert('clicked E');
});
$('#f').on('click', function() {
alert('clicked F');
});
</script>
It initially alerts only "clicked C", meaning that as a result of the
programmatic jQuery click(), only the element on which the click handler
was registered using jQuery's own $().on(...) actually received the click
event. Elements A and B did not get the event.
When I manually click on any of elements D, E or F, the relevant alert is
seen, which means that the actual user click event *was* seen by the event
handler.
This seems confusing and requires more study. Why are click events being
delivered anyway as a result of the jQuery $().click(), when Domado is not
processing a user action? And why is that being done only for elements A
and B, but not for C? Does jQuery circumvent our "is processing user
action" logic, and if so, how?
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