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Override console.log(); for production [duplicate]
I'm fairly new to Javascript development so this might be a real newbie question.
13 Answers
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CSS Background Opacity [duplicate]
...however if you want to change the background color of a pseudo element via javascript - you won't be able to since it is part of the shadow-dom.
– Adam Cooper
Dec 14 '16 at 15:14
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Array.push() if does not exist?
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It is better to extend Array prototype with JavaScript 1.6 method IndexOf instead of your inArray.
– Eugene Gluhotorenko
Jul 1 '13 at 8:16
7
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Is there a way to check which CSS styles are being used or not used on a web page?
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Without any third-party tools and any app, you can find unused CSS and javascript by using chrome dev tools in the coverage tab. read the post below from google developers.
chrome coverage tab
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AngularJS : ng-model binding not updating when changed with jQuery
... It has little to do with angular, and a lot to do with how javascript works. When you assign the scope variable to an object, you are assigning it by reference, as opposed to by value as done when a var is set equal to a primitive value. I talked about about it in my post here. stack...
Descending order by date filter in AngularJs
...c}}</li>
</ul>
</div>
</div>
And the JavaScript:
function FooController($scope) {
$scope.items = [
{desc: 'a', num: 1},
{desc: 'b', num: 2},
{desc: 'c', num: 3},
];
}
Will give you:
3 :: c
2 :: b
1 :: a
On JSFiddle: http://j...
How to “inverse match” with regex?
... Token in long form. Just put the dot (or [\s\S], which is only useful in JavaScript) after the second lookahead, and you don't need the first one: ^(?:(?!Andrea).)*$.
– Alan Moore
Aug 9 '16 at 10:00
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Can I find events bound on an element with jQuery?
...n now simply get a list of event listeners bound to an object by using the javascript function getEventListeners().
For example type the following in the dev tools console:
// Get all event listners bound to the document object
getEventListeners(document);
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Changing image sizes proportionally using CSS?
...erty. More details are available here: http://www.steveworkman.com/html5-2/javascript/2012/css3-object-fit-polyfill/. jQuery solution can be found there as well.
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Unable to evaluate expression because the code is optimized or a native frame is on top of the call
...me problem too, and it was tricky. For me, it was because I'm using Ext.Js javascript library. If you are doing a response.redirect in server-side code that you accessed in an Ajax call, there are problems. Ext.js has a workaround with their Ext.Redirect method.
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