TLEQ3Module 1-5

The person who invented JavaScript

in 1995.

• Brendan Eich

• Mark Zuckerberg

• Elon Musk

• Bill Gates

It is an extension filename of

JavaScript.

• VT

• JC

• JS

• AT

JavaScript ignores multiple spaces. You can add white space to your script to

make it more readable. A good practice is to put spaces around operators ( = + - * / )

• CODE BLOCKS

• SEMICOLONS

• VARIABLE

• WHITE SPACES

JavaScript statements can be grouped together in _______, inside curly

brackets {...}. The purpose of ______ is to define statements to be executed together.

One place you will find statements grouped together in blocks, is in JavaScript

functions

• WHITE SPACES

• CODE BLOCKS

• JS

• STRINGS

If a JavaScript statement does not fit in one line, the best place to break it is after

an operator.

• CODE BLOCKS

• WHITE SPACES

• LINE LENGTH & LINE BREAKS

• JS VALUES

There are two types of _________:

• Fixed values

• Variable values

• JS VALUES

• CODE BLOCKS

• STRINGS

• SEMICOLONS

A ______________ starts with a // and ends with //. Any text between

this line will be ignored and will not be executed by JavaScript.

• MULTI-LINE COMMENTS

• CAMELCASE

• KEYWORDS

• SINGLE LINE COMMENTS

JavaScript _______ are used to identify actions to be performed. It tells the

browser to create variables. Example: var x, y; where, x = 2 + 3; y = x * 5;

• CAMELCASE

• KEYWORDS

• VAR

• IDENTIFIERS

An _______ is a combination of values, variables, and operators, which

computes to a value. The computation is called an evaluation. Example: 2 * 5 evaluates

to 10.

• EXPRESSIONS

• CAMELCASE

• SINGLE-LINE COMMENT

• VARIABLE

Comments are ignored and will not be executed by the web browsers. There are

two kinds of Comments. The single line comments and the multiple line comments.

• VARIABLE

• MULTI-LINE COMMENT

• SINGLE-LINE COMMENTS

• JAVASCRIPT COMMENT