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Category: Fundamentals

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css – circular profile pictures

Nowadays, circular profile pictures are very popular. It’s really simple to create the circular profile picture from a given square image using border-radius. Following example, renders an original square image as well as the...

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css – vertically align text

Let’s see the example on horizontally aligning the text using text-align: center as shown in the below pen. [codepen_embed height=”345″ theme_id=”0″ slug_hash=”ONEPKQ” default_tab=”css,result” user=”kavitshah8″]See the Pen horizontally-aligned by Kavit Shah (@kavitshah8) on CodePen.[/codepen_embed] To...

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querySelector vs getElementById

Get Element By Id It returns a node list which is live, meaning if you add or remove any element from the DOM the node list will update It is faster relative to the...

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window vs document

Web browser is made up of hierarchy of objects. At the root level we have a window object. Window It is the root level element in any web page. All the global variables are...

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pseudo elements vs pseudo classes

pseudo elements They allow you to style certain parts of a document. For example, you can style the first letter of each paragraph. MDN list of pseudo elements The following video demonstrates the pseudo...

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window.onload vs document.onload

window.onload It is fired when the entire page loads, including its content (images, css, scripts, etc.) $(window).load() document.onload It is fired when the DOM is ready which can be prior to images and other...

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nodejs: generate uuid / guid

node-uuid provide a simpler and reliable way to create unique id. It is rigorous implementation of RFC4122 (v1 and v4) UUIDs. // npm i node-uuid var uuid = require(‘node-uuid’); // Generate a v1 (time-based)...