Sams Teach Yourself JavaScript in 24 Hours

HOUR 7:Controlling Flow with Conditions and Loops

What You’ll Learn in This Hour:

• Testing variables with the if statement

• Using various operators to compare values

• Using logical operators to combine conditions

• Using alternative conditions with else

• Creating expressions with conditional operators

• Testing for multiple conditions

• Performing repeated statements with the for loop

• Using while for a different type of loop

• Using do...while loops

• Creating infinite loops (and why you shouldn’t)

• Escaping from loops and continuing loops

• Looping through an array’s properties

Statements in a JavaScript program generally execute in the order in which they appear, one after the other. Because this isn’t always practical, ...