not identically equal operator : Relational Operators « Operators « JavaScript Tutorial

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JavaScript Tutorial » Operators » Relational Operators

2. 9. 6. not identically equal operator

The not identically equal operator is represented by an exclamation point followed by two equal signs (!==) and returns true only if the operands are not equal without conversion.


var sNum = "55";

var iNum = 55;

alert(sNum != iNum);    //outputs "false"

alert(sNum !== iNum);   //outputs "true"

2. 9. Relational Operators
	2. 9. 1.	Equal and Not Equal
	2. 9. 2.	Equal Operator
	2. 9. 3.	A Comparison Operator returns boolean variable
	2. 9. 4.	!= (Not Equal)
	2. 9. 5.	Identically Equal and Not Identically Equal
	2. 9. 6.	not identically equal operator
	2. 9. 7.	!== (Non-Identity)
	2. 9. 8.	< (Less Than)
	2. 9. 9.	===(Identity)
	2. 9. 10.	> (Greater Than)
	2. 9. 11.	>= (Greater Than or Equal)

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