Do:
var isTrueSet = (myValue === 'true');
using the identity operator (===
), which doesn’t make any implicit type conversions when the compared variables have different types.
Don’t:
You should probably be cautious about using these two methods for your specific needs:
var myBool = Boolean("false"); // == true var myBool = !!"false"; // == true
Any string which isn’t the empty string will evaluate to true
by using them. Although they’re the cleanest methods I can think of concerning to boolean conversion, I think they’re not what you’re looking for.
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