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Getting All Variables In Scope
...ind out what else is available by other means by doing:
var n, arg, name;
alert("typeof this = " + typeof this);
for (name in this) {
alert("this[" + name + "]=" + this[name]);
}
for (n = 0; n < arguments.length; ++n) {
arg = arguments[n];
alert("typeof arguments[" + n + "] = " + typ...
How should I call 3 functions in order to execute them one after the other?
...e this is equivalent to the following:
window.setTimeout(function() {
alert("!");
// set another timeout once the first completes
window.setTimeout(function() {
alert("!!");
}, 1000);
}, 3000); // longer, but first
Here's a general asynchronous looping function. It will ca...
jQuery .data() does not work, but .attr() does
... length of the selectors after they've been set, jsbin.com/acegef/edit#javascript,html,live
– Ian Davis
Jan 3 '12 at 20:34
9
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Changing CSS Values with Javascript
It's easy to set inline CSS values with javascript. If I want to change the width and I have html like this:
9 Answers
...
How do I change the value of a global variable inside of a function
I am using JavaScript and I create a global variable. I define it outside of a function and I want to change the global variable value from inside a function and use it from another function, how do I do this?
...
How can you check for a #hash in a URL using JavaScript?
I have some jQuery/JavaScript code that I want to run only when there is a hash ( # ) anchor link in a URL. How can you check for this character using JavaScript? I need a simple catch-all test that would detect URLs like these:
...
How do I detect IE 8 with jQuery?
...forget that you can also use HTML to detect IE8.
<!--[if IE 8]>
<script type="text/javascript">
ie = 8;
</script>
<![endif]-->
Having that before all your scripts will let you just check the "ie" variable or whatever.
...
How to save an image to localStorage and display it on the next page?
...orage JQueryImageCaching
Usage:
<img data-src="path/to/image">
<script>
$('img').imageCaching();
</script>
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Can an Option in a Select tag carry multiple values?
...ommend you use $.parseJSON($(this).val()) in the change event to get a javascript object, assuming you need to get at each value separately.
– Lucas B
Jul 25 '12 at 21:29
...
Convert an ISO date to the date format yyyy-mm-dd in JavaScript
...s will handle date formatting for you. Here is how to include it via a JavaScript tag, and then an example of how to use Moment.js to format a date.
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.14.1/moment.min.js"></script>
moment("2013-03-10T02:00:00Z").format("YYYY...