42. Javascript Bind - Full stack web development Course

Published: 27 May 2018
on channel: WB Web Development Solutions

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In this FullStackWebDevelopment tutorial series video, We will learn about #javascript #bind #method.

The bind() method creates a new function that, when called, has its “this” keyword set to the provided value, with a given sequence of arguments preceding any provided when the new function is called.

When passing object methods as callbacks, for instance to setTimeout, there’s a known problem: "losing this". Once a method is passed somewhere separately from the object – “this” is lost. Functions provide a built-in method bind that allows to fix this.

When we need a solution to the problem of how to keep the context of “this” within another function, bind() method is useful. bind() sets the scope of “this” function when we store a function or variable and call them at a later point of time.

Syntax: Function.prototype.bind().

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Week 1 : Day 7
Section 5 : Learning to Code With Javascript
Tutorial 42: Javascript Bind Method

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