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In Javascript/jQuery what does (e) mean?
I am new to JavaScript/jQuery and I've been learning how to make functions. A lot of functions have cropped up with (e) in brackets. Let me show you what I mean:
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Using the HTML5 “required” attribute for a group of checkboxes?
... @Clijsters the question is about a HTML5 way to do it - not with Javascript (of course, various solutions are possible in Javascript)
– Zabba
Apr 10 '18 at 0:18
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How do I call a dynamically-named method in Javascript?
I am working on dynamically creating some JavaScript that will be inserted into a web page as it's being constructed.
9 An...
How to quickly clear a JavaScript Object?
With a JavaScript Array, I can reset it to an empty state with a single assignment:
8 Answers
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Is it possible to add an HTML link in the body of a MAILTO link [duplicate]
...on't create an HTML email.
This is probably for security as you could add javascript or iframes to this link and the email client might open up the end user for vulnerabilities.
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How to validate date with format “mm/dd/yyyy” in JavaScript?
I want to validate the date format on an input using the format mm/dd/yyyy .
19 Answers
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How do I define global variables in CoffeeScript?
... for all variables in the coffee-script, that way it prevents the compiled JavaScript version from leaking everything into the global namespace.
So since there's no way to make something "leak" into the global namespace from the coffee-script side of things on purpose, you need to define your glo...
jquery variable syntax [duplicate]
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This is pure JavaScript.
There is nothing special about $. It is just a character that may be used in variable names.
var $ = 1;
var $$ = 2;
alert($ + $$);
jQuery just assigns it's core function to a variable called $. The code you ha...
How can I count the number of children?
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You don't need jQuery for this. You can use JavaScript's .childNodes.length.
Just make sure to subtract 1 if you don't want to include the default text node (which is empty by default). Thus, you'd use the following:
var count = elem.childNodes.length - 1;
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How to return value from an asynchronous callback function? [duplicate]
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