isNullish

  • function
 

More specific than falsy. '', 0, and -0 will evaluate as false so that functions that want to validly return these can do so, and be tested for problematic response.

Lang.isNullish(thing)

More specific than falsy. '', 0, and -0 will evaluate as false so that functions that want to validly return these can do so, and be tested for problematic response.

Parameters

  1. thing

    {Object} thing to be tested

Returns

{Boolean}

will return true if thing is null, undefined, NaN. Otherwise it will return false.