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JavaScript Operators
Addition Assignment Operator (+=) (JavaScript)
Addition Operator (+) (JavaScript)
Assignment Operator (=) (JavaScript)
Bitwise AND Assignment Operator (&=) (JavaScript)
Bitwise AND Operator (&) (JavaScript)
Bitwise Left Shift Operator (<<) (JavaScript)
Bitwise NOT Operator (~) (JavaScript)
Bitwise OR Assignment Operator (|=) (JavaScript)
Bitwise OR Operator (|) (JavaScript)
Bitwise Right Shift Operator (>>) (JavaScript)
Bitwise XOR Assignment Operator (^=) (JavaScript)
Bitwise XOR Operator (^) (JavaScript)
Comma Operator (,) (JavaScript)
Comparison Operators (JavaScript)
Compound Assignment Operators (JavaScript)
Conditional (Ternary) Operator (?:) (JavaScript)
delete Operator (JavaScript)
Division Assignment Operator (/=) (JavaScript)
Division Operator (/) (JavaScript)
in Operator (JavaScript)
Increment (++) and Decrement (--) Operators (JavaScript)
instanceof Operator (JavaScript)
Left Shift Assignment Operator (<<=) (JavaScript)
Logical AND Operator (&&) (JavaScript)
Logical NOT Operator (!) (JavaScript)
Logical OR Operator (||) (JavaScript)
Modulus Assignment Operator (JavaScript)
Modulus Operator (JavaScript)
Multiplication Assignment Operator (*=) (JavaScript)
Multiplication Operator (*) (JavaScript)
new Operator (JavaScript)
Right Shift Assignment Operator (>>=) (JavaScript)
Subtraction Assignment Operator (-=) (JavaScript)
Subtraction Operator (-) (JavaScript)
typeof Operator (JavaScript)
Unsigned Right Shift Assignment Operator (>>>=) (JavaScript)
Unsigned Right Shift Operator (>>>) (JavaScript)
void Operator (JavaScript)
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void Operator (JavaScript)

JavaScript - Internet Explorer 10

Prevents an expression from returning a value.

Copy 
void expression

The expression argument is any valid JavaScript expression.

The void operator evaluates its expression and returns undefined. It is useful in situations where an expression should be evaluated but you do not want the results visible to the rest of the script.

Supported in the following document modes: Quirks, Internet Explorer 6 standards, Internet Explorer 7 standards, Internet Explorer 8 standards, Internet Explorer 9 standards, Internet Explorer 10 standards. Also supported in Windows Store apps. See Version Information.

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