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How do I programmatically force an onchange event on an input?
...).onchange()
Look here for more options:
http://jehiah.cz/archive/firing-javascript-events-properly
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What is the motivation for bringing Symbols to ES6?
...Ruby is needless; we could easily use plain strings instead, like we do in JavaScript. And now they decide to complicate things in JS with that.
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JSONP with ASP.NET Web API
...MediaType);
SupportedMediaTypes.Add(new MediaTypeHeaderValue("text/javascript"));
MediaTypeMappings.Add(new UriPathExtensionMapping("jsonp", DefaultMediaType));
}
public string CallbackQueryParameter
{
get { return callbackQueryParameter ?? "callback"; }
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How do you turn a Mongoose document into a plain object?
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Another way to do this is to tell Mongoose that all you need is a plain JavaScript version of the returned doc by using lean() in the query chain. That way Mongoose skips the step of creating the full model instance and you directly get a doc you can modify:
MyModel.findOne().lean().exec(functi...
How do you use a variable in a regular expression?
I would like to create a String.replaceAll() method in JavaScript and I'm thinking that using a regex would be most terse way to do it. However, I can't figure out how to pass a variable in to a regex. I can do this already which will replace all the instances of "B" with "A" .
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Pass array to mvc Action via AJAX
...an also read more here:
http://michaelsync.net/2012/04/05/tips-asp-net-mvc-javascriptserializer-3-questions-and-3-answers
and
http://haacked.com/archive/2008/10/23/model-binding-to-a-list.aspx
HTH
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Convert Array to Object
...)
if (arr[i] !== undefined) rv[i] = arr[i];
return rv;
}
In modern JavaScript runtimes, you can use the .reduce() method:
var obj = arr.reduce(function(acc, cur, i) {
acc[i] = cur;
return acc;
}, {});
That one also avoids "holes" in the array, because that's how .reduce() works.
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How to wait for the 'end' of 'resize' event and only then perform an action?
...ementation of the debounce concept (unscriptable.com/2009/03/20/debouncing-javascript-methods). Paul Irish (and others) has presented a much more efficient solution which is not handling 'unnecessary' resize events: paulirish.com/2009/throttled-smartresize-jquery-event-handler
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How do I dynamically assign properties to an object in TypeScript?
If I wanted to programatically assign a property to an object in Javascript, I would do it like this:
23 Answers
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AngularJS access scope from outside js function
...imple way to access the internal scope of a controller through an external javascript function (completely irrelevant to the target controller)
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