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What is the most efficient way to create HTML elements using jQuery?
...of an element
// see below statements
}
var end = new Date().getTime();
alert( end - start );
var e = $( document.createElement('div') ); // ~300ms
var e = $('<div>'); // ~3100ms
var e = $('<div></div>'); // ~3200ms
v...
How do I check whether a checkbox is checked in jQuery?
...ted').click(function() {
$("#txtAge").toggle(this.checked);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type="checkbox" id="isAgeSelected"/>
<div id="txtAge" style="display:none">Age is something</div>
...
Is there a cross-browser onload event when clicking the back button?
For all major browsers (except IE), the JavaScript onload event doesn’t fire when the page loads as a result of a back button operation — it only fires when the page is first loaded.
...
getting the X/Y coordinates of a mouse click on an image with jQuery [duplicate]
...
Here is a better script:
$('#mainimage').click(function(e)
{
var offset_t = $(this).offset().top - $(window).scrollTop();
var offset_l = $(this).offset().left - $(window).scrollLeft();
var left = Math.round( (e.clientX - offs...
Pass a PHP string to a JavaScript variable (and escape newlines) [duplicate]
What is the easiest way to encode a PHP string for output to a JavaScript variable?
14 Answers
...
Unable to add window — token android.os.BinderProxy is not valid; is your activity running?
...
one simple workaround is to catch the exception :
try {
alertDialog.show()
}
catch (WindowManager.BadTokenException e) {
//use a log message
}
It's not elegant but sometimes easy when you have to manage async operations and you are not sure wether activity is up ...
Check if event is triggered by a human
... by a user action, and false
when the event was created or modified by a script or dispatched via
EventTarget.dispatchEvent().
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How can I check if a key is pressed during the click event with jQuery?
...vent properties;
$("button").click(function(evt) {
if (evt.ctrlKey)
alert('Ctrl down');
if (evt.altKey)
alert('Alt down');
// ...
});
See quirksmode for more properties. If you want to detect other keys, see cletus's answer.
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How do I change the number of open files limit in Linux? [closed]
... system-wide limits should be set during the system initialization in init scripts and user limits should be set during user login for example by using pam_limits.
There are often defaults set when the machine boots. So, even though you may reset your ulimit in an individual shell, you may find th...
How do I enumerate the properties of a JavaScript object? [duplicate]
How do I enumerate the properties of a JavaScript object?
14 Answers
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