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How can I concatenate regex literals in JavaScript?
...ible, and you do not need escape quotes or double-escape backlashes. From "Javascript Patterns", Stoyan Stefanov 2010.
But using New may be the only way to concatenate.
I would avoid eval. Its not safe.
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Check if an array contains any element of another array in JavaScript
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lodash is much more readable then vanilla Javascript, libs like it at Ramda should always be used instead of vanilla imho. Better for all devs...
– Leon Gaban
Aug 15 '16 at 20:32
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Can I set the height of a div based on a percentage-based width? [duplicate]
...CSS hack (see the other answers), but it can also be done very easily with JavaScript.
Set the div's width to (for example) 50%, use JavaScript to check its width, and then set the height accordingly. Here's a code example using jQuery:
$(function() {
var div = $('#dynamicheight');
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Javascript split regex question
hello I am trying what I thought would be a rather easy regex in Javascript but is giving me lots of trouble.
I want the ability to split a date via javascript splitting either by a '-','.','/' and ' '.
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Use JavaScript to place cursor at end of text in text input element
...ay) to place the cursor at the end of the text in a input text element via JavaScript - after focus has been set to the element?
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Image resizing client-side with JavaScript before upload to the server
I am looking for a way to resize an image client-side with JavaScript (really resize, not just change width and height).
I know it's possible to do it in Flash but I would like to avoid it if possible.
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How do you overcome the HTML form nesting limitation?
...le if/else to check what button was clicked.
And then I would implement a Javascript call tying into the form's onsubmit event which would check before the form was submitted, and only submit the relevant data to the server (possibly through a second form on the page with the ID needed to process t...
How to launch jQuery Fancybox on page load?
... it to a hidden anchor tag and fire the click event of that anchor tag via JavaScript, but I would rather just launch the Fancybox directly and avoid the extra anchor tag.
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How do you round to 1 decimal place in Javascript?
Can you round a number in javascript to 1 character after the decimal point (properly rounded)?
21 Answers
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How to detect Ctrl+V, Ctrl+C using JavaScript?
How to detect ctrl + v , ctrl + c using Javascript?
17 Answers
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