JavaScript

How's your state of mind?

Data and Variables

Concept Summary

1. Booleans

• true or false
• Comparison Operators
• == != >
• Your turn!
• Example

Loose/Strict equality

• == and ===
• != and !==
• Your turn.
• Example
• Use Strict.

Logical Operators

• &&
• ||
• !
• Your turn
• Example

truth table for &&

• A B A && B true true true true false false false true false false false false

truth table for ||

• A B A || B true true true true false true false true true false false false

if Statements

• if
• else
• else if
• your turn
• example

nested if

• purpose
• your turn
• example

Exercise solution.

Errors and Debugging

nice talking

types of errors

• syntax
• runtime
• logic
• example

debugging

• error messages
• console.log
• google
• example

best practices

• TFD or TAD
• incremental changes
• find your style pairing/mobbing/forum

studio time!