Microsoft® JScript &= Operator |
Language Reference Version 1 |
Used to perform a bitwise AND on an expression.
result &= expressionThe &= operator syntax has these parts:
Part Description result Any variable. expression Any expression.
Using this operator is exactly the same as specifying:result = result & expressionThe &= operator looks at the binary representation of the values of result and expression and does a bitwise AND operation on them. The output of this operation behaves like this:
0101 (result) 1100 (expression) ---- 0100 (output)Any time both of the expressions have a 1 in a digit, the result has a 1 in that digit. Otherwise, the result has a 0 in that digit.
For information on when a run-time error is generated by the &= operator, see the Operator Behavior table.
© 1997 by Microsoft Corporation. All rights reserved.
file: /Techref/language/jscript/js627.htm, 2KB, , updated: 1997/9/30 03:44, local time: 2024/8/17 11:31,
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