BootSelf
javascript

Data types

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

Where it sits

Learn first

Boolean and Logical Operators

This skill

Data types

Leads to

The roles below put it to work directly.

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

Required Practice

Types and Comparisons

20 parts

Open the lesson

Find out where you stand

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

Data types: common questions

What is Data types?

Data types is a skill in javascript, needed by 9 roles on BootSelf.

Which jobs need Data types?

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 Data types?

Boolean and Logical Operators.

How do I practise Data types?

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.