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In the apply () method, arguments are called in the form of an array, while in the call () method, arguments are passed individually as separate parameters. Regarding performance, call is a little it faster than the apply () method, because of abasence of array-arguments in this method.
The difference is: The call() method takes arguments separately. The apply() method takes arguments as an array. The apply () method is very handy if you want to use an array instead of an argument list.
Mar 28, 2022 · JavaScript provides the call(), apply(), and bind() methods for setting the this context within a function. These methods are especially useful when working with object-oriented code or handling different function contexts.
- What Is A Polyfill in Javascript?
- Bind() Method
- Call() Method
- Apply() Method
Before we get started, let’s clarify what a polyfill is. In JavaScript, a polyfillis a code implementation that provides modern functionality in older environments where it might not be available. Essentially, it fills the gap for missing features by mimicking how they work in newer JavaScript versions.
The Bind() Methodcreates a new function and when that new function is called it set thiskeyword to the first argument which is passed to the bind method, and if any other sequences of arguments preceding the first argument are passed to the bind method then they are passed as an argument to the new function when the new function is called. Syntax: ...
The Call() Methodcalls the function directly and sets this to the first argument passed to the call method and if any other sequences of arguments preceding the first argument are passed to the call method then they are passed as an argument to the function. Syntax: Example 1: Before implementing our own call polyfill let us see the call method whi...
The Apply() Methodcalls the function directly and sets thisto the first argument passed to the apply method and if any other arguments provided as an array are passed to the call method then they are passed as an argument to the function. Syntax: Example 1: For the final time let us see apply method given by javascript: Output: In the apply method,...
- 22 min
Jun 20, 2022 · In this article, I am going to explain how to use call, apply, and bind in JavaScript with simple examples. We will also implement an example that showcases how you can create your own map function with the apply function.
- Keyur Paralkar
Dec 26, 2022 · Javascript Reflect.apply() method is a standard build-in object in JavaScript which is used to call a function using the specified argument. It works similar to the Function.prototype.apply() method to call a function, but in an efficient manner and easy to understand.
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Read this JavaScript tutorial and learn about the main differences between the function prototype methods: bind(), call() and apply() and their usages.
