0, what does the '+' after '=' do?

 

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  • What does = +_ mean in JavaScript 12 answers

    • Converts it into a number. It's the opposite of -fromIndex , so it has to convert into a number.

    See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators#-_.28Unary_Plus.29 

    +"0" 
>> 0
+true 
>> 1
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