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What do {curly braces} around javascript variable name mean [duplicate]
...s is what's known as a destructuring assignment, and it's a new feature of JavaScript 1.7 (and ECMAScript 6) (Currently, only available as part of the Firefox JavaScript engine.) Roughly, it would translate into this:
var ActionButton = require("sdk/ui/button/action").ActionButton;
It seems sill...
Change the URL in the browser without loading the new page using JavaScript
How would I have a JavaScript action that may have some effects on the current page but would also change the URL in the browser so if the user hits reload or bookmark, then the new URL is used?
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Javascript/DOM: How to remove all events of a DOM object?
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@cstruter: Right... this was in my early days of JavaScript... I will correct the code when I find some more time. Thanks for letting me know.
– Felix Kling
Feb 29 '12 at 16:21
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How do I remove a key from a JavaScript object? [duplicate]
...he current object.
thisIsObject = _.omit(thisIsObject,'Cow');
With pure JavaScript, use:
delete thisIsObject['Cow'];
Another option with pure JavaScript.
thisIsObject.cow = undefined;
thisIsObject = JSON.parse(JSON.stringify(thisIsObject ));
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How can I force clients to refresh JavaScript files?
...one issue we are running into is that after we push out an update with new JavaScript files, the client browsers still use the cached version of the file and they do not see the update. Obviously, on a support call, we can simply inform them to do a ctrl F5 refresh to ensure that they get the up-...
How to get current formatted date dd/mm/yyyy in Javascript and append it to an input [duplicate]
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This is helpful, but confirms that Javascript is insanely inefficient at getting a formatted date returned. It's unfathomable to have to write more than one line of code to do this...
– jlbriggs
Sep 11 '15 at 13:26
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Ruby's ||= (or equals) in JavaScript?
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I bet somebody is gonna take this as a reason to hate javascript
– Volper
May 16 at 20:22
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How random is JavaScript's Math.random?
...like 10000000000000000000 you're going beyond the accuracy of the datatype Javascript is using. Note that all the numbers generated end in "00".
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Open file dialog box in JavaScript
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is there a way to control the displayed files by javascript... say I wanted to open file dialog and just wanted file extension with .pdf to display..
– Ajax3.14
Feb 24 '12 at 21:40
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Get HTML5 localStorage keys
...rage.length-1; i++)
{
key = localStorage.key(i);
alert(localStorage.getItem(key));
}
}
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