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Tag: javascript

Replace DOM with javascript and run new scripts

I am trying to replace the whole DOM on page load to do a no-js fallback for a user created knockout page. I have it replacing the DOM, but when I do the scripts included in the new document aren’t running. I was wondering if theres any way of forcing them to run. template contains the following encoded…

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 kn…

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 j…

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 runnin…

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.