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Programmatically trigger “select file” dialog box
...ation:
Yes, you can programmatically click the input element using jQuery/JavaScript, but only if you do it in an event handler belonging to an event THAT WAS STARTED BY THE USER!
So, for example, nothing will happen if you, the script, programmatically click the button in an ajax callback, but if...
How do I detect when someone shakes an iPhone?
...milar (in iPhone OS 3.0+), only in my case I wanted it app-wide so I could alert various parts of the app when a shake occurred. Here's what I ended up doing.
First, I subclassed UIWindow. This is easy peasy. Create a new class file with an interface such as MotionWindow : UIWindow (feel free to pi...
Logical operator in a handlebars.js {{#if}} conditional
...lse}}
BAMM
{{/xif}}
</p>
Output
<p>
BOOM
</p>
JavaScript: (it depends on another helper- keep reading)
Handlebars.registerHelper("xif", function (expression, options) {
return Handlebars.helpers["x"].apply(this, [expression, options]) ? options.fn(this) : options.i...
jQuery - setting the selected value of a select control via its text description
I have a select control, and in a javascript variable I have a text string.
21 Answers
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What is cURL in PHP?
...
in Javascript it same like you do ajax in your code. The different things with PHP you do synchronously while in Javascript you do aysnchronously.
– Faris Rayhan
Oct 20 '17 at 7:09
...
Center/Set Zoom of Map to cover all visible Markers?
...s(bounds);
Documentation from developers.google.com/maps/documentation/javascript:
fitBounds(bounds[, padding])
Parameters:
`bounds`: [`LatLngBounds`][1]|[`LatLngBoundsLiteral`][1]
`padding` (optional): number|[`Padding`][1]
Return Value: None
Sets the viewport to conta...
Difference between SRC and HREF
...l entities like an image, a CSS file, a HTML file, any other web page or a JavaScript file.
15 Answers
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Chrome: timeouts/interval suspended in background tabs?
...ice workers and use the canvas API using a data-url. new Worker('data:text/javascript,(' + function myWorkerCode () { /*...*/ } + '()'). It's also a nice way to check if you have import expression support: try { eval('import("data:text/javascript,void 0")') } catch (e) { /* no support! */ }
...
How to delete a localStorage item when the browser window/tab is closed?
...
You can make use of the beforeunload event in JavaScript.
Using vanilla JavaScript you could do something like:
window.onbeforeunload = function() {
localStorage.removeItem(key);
return '';
};
That will delete the key before the browser window/tab is closed and p...
Run php script as daemon process
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run `systemctl daemon-reload', but do worry if you not do, it will be
alerted when is needed.
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