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javascript

Declaring variables

9 roles need it, 7 as coreUsually level 3: WorkingLesson available

Where it sits

Learn first

Nothing: a good place to start.

This skill

Declaring variables

Leads to

Boolean and Logical OperatorsArrayObject JSONNaming variablesArithmetic operators

Jobs that need it

What level 3 (Working) means

Uses it independently on the job. Level 4 (Strong): handles hard cases, reviews others.

Start learning

Var Variables

ES6 Variables and Scope

15 parts

Open the lesson

Find out where you stand

A free check, then a route that starts at your level.

Check my readiness

Learned alongside it

applyarguments objectArithmetic operatorsArrayArraysArrow FunctionsAssignment OperatorsAsync/await

Declaring variables: common questions

What is Declaring variables?

Declaring variables is a skill in javascript, needed by 9 roles on BootSelf.

Which jobs need Declaring variables?

Backend Developer (Node.js), Frontend Developer (Angular), Frontend Developer (React), Frontend Developer (Vue), Full Stack Developer (MEAN), and 4 more. Most ask for level 3 (Working): uses it independently on the job.

What should I learn before Declaring variables?

Nothing in particular: it's a good place to start.

How do I practise Declaring variables?

Check your readiness for free, then BootSelf builds a route and short daily learning loops: a little theory, checks on what you get wrong, then a small program.