JavaScript Conditional Statement-5

Learning Goals

1. Mastering The application of the length attribute

2. Mastering The nesting of If statements

Length

Syntax:string.length

function: Gets The length of string strings

return value: Number

JavaScript Conditional Statements

Learning Goals

1. Learn how to get the week

2. Mastering document.write ()

3. Mastering the Conditional statement switch

Get Week

syntax:new Date (). GetDay ()

Function: Get Week

return Value: Number(0-6)

Output

Syntax:document.write ("content")

Function: output content to browser

Switch statement

syntax: switch (expression) {

Case Value:statement

Break

Case Value:statement

Break

......

Default:statement

}

JavaScript Loop Statements

Learning Goals

1. Mastering The syntax structure for a for statement

2. Mastering The application logic for the For statement

For statement

Grammar:

For(statement 1; statement 2; statement 3){

the code block that is executed;

}

Statement 1: Execute before Loop (code block) starts

Statement 2: Define conditions for running loops (code blocks)

Statement 3: Executes after a loop (code block) has been executed

JavaScript Conditional Statement-5