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May 22, 2024 · 2 min read · What exactly is Polyfill ? Polyfill is a piece of javascript code that is used to provide or fill in some functionality that one browser might support but another browser might not support. Let's take an example of arrow functions, they are basically...
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Apr 27, 2024 · 3 min read · What is Event Delegation ? We can say that Event Delegation is a method of handling events for multiple HTML elements via a single event listener on their parent element. It is only possible because of how events propagate up to the hierarchy on the ...
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Apr 15, 2024 · 4 min read · What is promise ? Promises were introduced to javascript in ES6. before promises we were using callbacks to manage asynchronous operations but while using them we may face the issue of callback hell and again code is also not properly readable so to ...
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Mar 29, 2024 · 2 min read · A function is a block of code, self-contained, that can be defined once and run any time you want. A function can optionally accept parameters and returns the value. If you have been using JavaScript in past then you are probably familiar with this t...
Join discussionMar 17, 2024 · 3 min read · ES6 is more popularly known as ECMA script which is a scripting language. this language was created to standardize Javascript language. ES6 is the 6th version of ECMA. ES6 is used to enable client-side languages and is becoming one of the most popula...
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