Does use of anonymous functions affect performance?

The usage of anonymous functions affect performance is the sense, you need to create a new function object at each iteration. Anonymous functions are always loaded using a variable name. Anonymous, as the name suggests, allows creating a function without any names identifier. It can be used as an argument to other functions. Call them using a variable name −


This is how JavaScript anonymous functions can be used −

var func = function() {
   alert(‘This is anonymous');

Here’s an example −

//anonymous function
var a = function() {
   return 5;

Updated on: 23-Jun-2020


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