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Set custom attribute using JavaScript
...etc.
In any event, it turns out that the way you set these attributes via JavaScript is the same for both cases. Use:
ele.setAttribute(attributeName, value);
to change the given attribute attributeName to value for the DOM element ele.
For example:
document.getElementById("someElement").setAtt...
How to print a number with commas as thousands separators in JavaScript
I am trying to print an integer in JavaScript with commas as thousands separators. For example, I want to show the number 1234567 as "1,234,567". How would I go about doing this?
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What underlies this JavaScript idiom: var self = this?
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In JavaScript, referring back to the parent scope is extremely common and necessary. It's a fundamental part of the language. Your suggestion to pass in the parent scope as an argument on the event handler isn't actually possibl...
What does curly brackets in the `var { … } = …` statements do?
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They're both JavaScript 1.7 features. The first one is block-level variables:
let allows you to declare variables, limiting its scope to the block, statement, or expression on which it is used. This is unlike the var keyword, which de...
How to prevent form from submitting multiple times from client side?
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Use unobtrusive javascript to disable the submit event on the form after it has already been submitted. Here is an example using jQuery.
EDIT: Fixed issue with submitting a form without clicking the submit button. Thanks, ichiban.
$("body"...
Build tree array from flat array in javascript
I have a complex json file that I have to handle with javascript to make it hierarchical, in order to later build a tree.
Every entry of the json has :
id : a unique id,
parentId : the id of the parent node (which is 0 if the node is a root of the tree)
level : the level of depth in the tree
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Create a custom callback in JavaScript
...back so it sees a specific value for this. You can easily do that with the JavaScript call function:
function Thing(name) {
this.name = name;
}
Thing.prototype.doSomething = function(callback) {
// Call our callback, but using our own instance as the context
callback.call(this);
}
func...
How to extract base URL from a string in JavaScript?
...y and reliable method to extract the base URL from a string variable using JavaScript (or jQuery).
20 Answers
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Browser detection in JavaScript? [duplicate]
How do I determine the exact browser and version using JavaScript?
26 Answers
26
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Best way to organize jQuery/JavaScript code (2013) [closed]
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Use javascript MVC Framework in order to organize the javascript code in a standard way.
Best JavaScript MVC frameworks available are:
Backbone
Angular
CanJS
Ember
ReactJS
Selecting a JavaScript MVC framework required so man...