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Does Javascript pass by reference? [duplicate]
Does Javascript pass by references or pass by values? Here is an example from Javascript: The Good Parts . I am very confused about my parameter for the rectangle function. It is actually undefined , and redefined inside the function. There are no original reference. If I remove it from the func...
Does JavaScript have a built in stringbuilder class?
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I just rechecked the performance on http://jsperf.com/javascript-concat-vs-join/2.
The test-cases concatenate or join the alphabet 1,000 times.
In current browsers (FF, Opera, IE11, Chrome), "concat" is about 4-10 times faster than "join".
In IE8, both return about equal resul...
Why does JavaScript only work after opening developer tools in IE once?
IE9 Bug - JavaScript only works after opening developer tools once.
12 Answers
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How is AngularJS different from jQuery
...ular2 cli tool can help you "pre-compile" your code and generate necessary javascript code (tree-shaking) to shrink the download size down to 35Kish.
Angular2 emulated Shadow DOM. (ref)
This opens a door for server rendering that can address SEO issue and work with Nativescript etc that don't ...
Finding JavaScript memory leaks with Chrome
...es of a few different colors. Red nodes do not have direct references from Javascript to them, but are alive because they are part of a detached DOM tree. There may be a node in the tree referenced from Javascript (maybe as a closure or variable) but is coincidentally preventing the entire DOM tree ...
Uncaught SyntaxError: Unexpected token :
...@andy_magoon, in my case, I had a script tag that was supposed to serve up javascript, but because the request was redirected to an HTML page (its not important why it was redirected), which begins with <!DOCTYPE html>, which is not valid javascript, the browser returns the SyntaxError when it...
How to get base url with jquery or javascript?
...0.23/~sites/site/html/ instead of site.dev. Getting the full pathname with Javascript is not an option too, because a site can have any number of virtual subdirectories.
– certainlyakey
Aug 1 '16 at 9:49
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Understanding the Event Loop
...nly 1 thread in the node process that will actually execute your program's JavaScript. However, within node itself, there are actually several threads handling operation of the event loop mechanism, and this includes a pool of IO threads and a handful of others. The key is the number of these thread...
Why does javascript replace only first instance when using replace? [duplicate]
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@chobo2: Well, JavaScript is not C#. And 12/31/2009 does only contain two slashes.
– Gumbo
Dec 27 '09 at 21:46
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JavaScript .replace only replaces first Match [duplicate]
...Query version? I don't see a .replace() in the JQuery API - that's vanilla Javascript.
– amfeng
Jul 9 '10 at 17:05
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