What is an anonymous function
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An anonymous function is a function without a name! Anonymous functions are commonly assigned to a variable name or used as a callback function. The syntax would be as below,
function (optionalParameters) {
//do something
}
const myFunction = function(){ //Anonymous function assigned to a variable
//do something
};
[1, 2, 3].map(function(element){ //Anonymous function used as a callback function
//do something
});
Let’s see the above anonymous function in an example,
var x = function (a, b) {
return a * b;
};
var z = x(5, 10);
console.log(z); // 50