Comparison Operators

Evaluating Conditions:

Using comparision operators:

Example:

var pass = 50;  // Pass mark
var score = 90; //Score

// Check if the user has passed
var hasPassed = score > = pass ;

// Write the message into the page
var el = document.getElementByl('answer');
e1.textContent = 'Leve 1 passed: ' + hasPassed;

Loops :

• Loops check a condition. If it returns true,a code block will run. Then the condition will be checked again and if it still returns true, the code block will run again. it repeats until the condition returns false.

• There are 3 common tyoes of loops :

Loop counters and For Loops:

Using While loops:

Example:

Using Do While loops:

Example:

References:

• JavaScript and JQuery: Interactive Front-End Web Development by Jon Duckett Get the book

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