Different types of function – JavaScript Series – Part 18

In last two part we declare the function in a same style, but there is a another way declare a variable. We are going to learn it today.

Up until now we wrote the functions declaration. Now we are going to learn about function expression.

Here we don’t have a name for the function. So it also called anonymous function.

Let’s write one to understand more about it.

function() {
  console.log('How you doin ?')
}

this will be function and we’ll store it on a variable and then we’ll call the function using variable()

Example –

This exactly does the same thing as our old function. This pattern is widely use in js, so it is better to know both.

Let’s have a look on the both type

Result –

You can see the graphical version here

Source Codes - { Check commits }

nerdjfpb / javaScript-Series

A tutorial for JavaScript Beginners

javaScript-Series

A tutorial for Absolute Beginners of JavaScript.

You can find the total pdf in - Here

You can check the commits to find the part by part codes.

Blogs

Day 1

• Day 1 - What is JavaScript?

Day 2

• Day 2 - JavaScript Types?

Day 3

• Day 3 - Javascript Types Cont.

Day 4

• Day 4 - Javascript Types Cont.

Day 5

• Day 5 - Javascript Comparisons

Day 6

• Day 6 - Javascript Variables

Day 7

• Day 7 - More About Variables

Day 8

• Day 8 - Conditional Statement

Day 9

• Day 9 - More Conditional Statement

Day 10

• Day 10 - Switch

Day 11

• Day 11 - Setup Code Editor

Day 12

• Day 12 - Loops

Day 13

• Day 13 - While Loop

Day 14

• Day 14 - For Loop

Day 15

• Day 15 - For Vs While

Day 16

• Day 16 - Functions

Day 17

• Day 17…

View on GitHub

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