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Tag: jquery

What is the concept of Array.map?

I am having problems understanding the concept of Array.map. I did go to Mozilla and Tutorials Point, but they provided very limited info regarding this. This is how I am using Array.map. It is a little complex (a bit of d3.js involved; just ignore it) I do not understand exactly what this code is doing. I know its returning a

Is it possible to make a squiggly line?

If I wanted to make a horizontal line, I would do this: If I wanted to make a vertical line, I would do this: A curved line is trickier, but possible using border-radius and wrapping the element: But I cannot even fathom how I could generate squiggly lines! Is this even remotely possible using only css (and javascript since it

ScrollTo function in AngularJS

I’m trying to get a quick nav to work correctly. It’s floating on the side. When they click on a link, it takes them to that ID on the page. I’m following this guide from Treehouse. This is what I have for the scrolling: I initially placed it before the </body>. But I seem to be running into a race

Checking if a key exists in a JS object

I have the following JavaScript object: Is there a way to check if a key exists in the array, similar to this? does not work. Do I have to iterate through the obj like this? Answer Use the in operator: Sidenote: What you got there, is actually no jQuery object, but just a plain JavaScript Object.

form submit jquery v javascript difference

in javascript this works fine and the validateForm function fires but why doesnt a similar implementation of the same code in jquery not work? This is what I would like to do after reading http://api.jquery.com/submit/ the following code works why does the submit method require a function to wrap around the code im trying to fire. why can i not

jQuery $(event.target) returns DOM in console, not HTML

With this code: I expect to see: but instead get: [span.icon-tag docs-tag child_hover dropdown-open, context: span.icon-tag docs-tag child_hover dropdown-open, constructor: function, init: function, selector: “”, jquery: “1.8.2”…] I have recently upgraded to jQuery 1.8.2. Has there been a change in how $(event.target) is handled? Answer This has to do with changes in the browser output, it doesn’t have to do

Prevent, then re-trigger a JavaScript event?

I’ve got an event handler set on document, listening for submit and change events, delegated to any form elements on the page. The idea is to update the server when an input is altered (since the event bubbles up to the form), while also allowing for submitting an entire form. I have a few overrides in place for inputs that

Handling several .one on same event and element

I have a custom animation framework that uses CSS transitions. In order to allow for callbacks I attach: However, some of the same event listeners are fired again and again (yes, it’s actually the same functions with the same guids, I checked). It seems the .one is not properly removing it again. I’ve tried making a small test-fix with a:

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