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Explain JavaScript Bitwise NOT, Left shift and Right shift?
JavaScript Bitwise NOT
Example
<html> <body> <p id="not"></p> <script> document.getElementById("not").innerHTML = ~ 13; </script> </body> </html> Output
-14
Explanation: It gives 0 for 1 and 1 for 0.The above result is 14.
JavaScript Bitwise leftshift operator
Example
<html> <body> <p id="left"></p> <script> document.getElementById("left").innerHTML = 5 << 2; </script> </body> </html> Output
20
Explanation:Left side (<<) shift operator shifts the elements to left side filling the gap with 0's.In the above example 5 in binary form is given by 0101 so when shifted by 2 it gives 010100 Which in decimal given by 20.
JavaScript Bitwise Right operator
Example
<html> <body> <p id="right"></p> <script> document.getElementById("right").innerHTML = 5 >>> 2 ; </script> </body> </html> Output
2
Explanation: Right shift operator(>>>) in contrast to left shift operator, shifts thebits to the right .In the above example 5 got moved and the result is 1.
Updated on: 2019-07-30T22:30:26+05:30
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