'JS compare objects and NaN [duplicate]
Here's a function which checks whether input is a NaN:
function myIsNaN(value) {
return value !== value;
}
myIsNaN({}) --> outputs false.
Why false if:
{} !== {} --> true ???
myIsNaN([]) --> outputs false.
Why false if:
[] !== [] --> true ???
Sources
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Source: Stack Overflow
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