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JavaScript ~ operator

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Jun 13.2020

Hi,
Can someone explain to me what ~ this operator does?

I have found this example on w3school

[code]
~ NOT x = ~ 5 ~0101 1010 10
[/code]

But I don’t really understand it. To me, it seems like it’s used for reversing something but I also had to use this operator for on operation where I wanted to divide a number to the rest.

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2 Comments(s) ↴

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@daveyerwinJun 13.2020 — do a search for ...

JavaScript Tilde ~ (Bitwise Not operator)
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@HarshShahJun 22.2020 — Hii RaulRogojan,

The tilde ~ Bitwise NOT operator is commonly used right before an indexOf() to do a boolean check (truthy/falsy) on a string. On its own, indexOf() returns the index number of a String object passed in. So if -1 is returned it will be turned into 0 which is false.

For more please refer to this site...

[https://riptutorial.com/javascript/topic/10643/tilde--](url)
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