JavaScript Operators
JavaScript Tutorial » JavaScript Operators
Operators are symbols or keywords that tell JS to perform some sort of actions.
Arithmetic Operators
Example, the addition (+) is an operator that tells JS to add two variables or values.
- Subtraction: $a - $b Difference of $a and $b.
* Multiplication: $a * $b Product of $a and $b.
/ Division: $a / $b Quotient of $a and $b
% Modulus: $a % $b Remainder of $a divided by $b
Example:
<script>
var a = 12;
var b = 6;
alert(a + b); // 0utputs: 18
alert(a - b); // 0utputs: 6
alert(a * b); // 0utputs: 72
alert(a / b); // 0utputs: 2
alert(a % b); // 0utputs: 2
var a = 12;
var b = 6;
alert(a + b); // 0utputs: 18
alert(a - b); // 0utputs: 6
alert(a * b); // 0utputs: 72
alert(a / b); // 0utputs: 2
alert(a % b); // 0utputs: 2
Assignment Operators - example
Are used to assign values to variables.
= Assign a = b a = b+= Add and assign a += $ a = a + b
-= Subtract and assign a -= b a = a - b
*= Multiply and assign a *= b a = a * b
/= Divide and assign quotient a /= b a = a / b
%= Divide and assign modulus a %= b a = a % b
Example:
<script>
var a; // Declaring Variable
a = 22;
alert(a); // Outputs: 22
a = 25;
a += 40;
alert(a); // Outputs: 65
a = 72;
a -= 22;
alert(a); // Outputs: 50
a = 6;
a *= 11;
alert(a); // Outputs: 66
a = 66;
a /= 11;
alert(a); // Outputs: 6
a = 100;
a %= 15;
alert(a); // Outputs: 10
</script>
JavaScript Operators list, mozilla, precedence, cheat sheet, priority, and expressions, exercices
JavaScript Operators list, mozilla, precedence, cheat sheet, priority, and expressions, exercices
JavaScript Operators - javascript tutorial
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