What is is a javascript function expression?

amurleopard

Function Expression

The function expression is storing the function in a variable.

Below is a syntax for a function expression.

variable = function(a, b ) { code to execute }

Example of a function expression.

let x = function (a, b) { return a + b }

Using the function expression.

let x = function (a, b) { return a + b }

let sum = x(5, 5)
console.log(sum)

Result.