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What is decrement (--) operator in JavaScript?
The decrement operator decreases an integer value by one. Here’s an example where the value of a is decremented twice using decrement operator twice −
Example
<html> <body> <script> <!-- var a = 33; a = --a; document.write("--a = "); result = --a; document.write(result); </script> </body> </html>
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