It just depends on the structure of your arguments.
call is useful for manually calling a function where you have explicitly defined arguments.
call
const a = 'bar' const b = 'baz' foo.call({}, a, b)
But sometimes you have an array of arguments and you want to programmatically call a function with them, that's where apply is useful.
apply
const args = ['bar', 'baz'] foo.apply({}, args)
That said, with the advent of the spread/rest operator (...), apply is redundant.
...
const args = ['bar', 'baz'] // notice this is using call, not apply! foo.call({}, ...args)
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It just depends on the structure of your arguments.
callis useful for manually calling a function where you have explicitly defined arguments.But sometimes you have an array of arguments and you want to programmatically call a function with them, that's where
applyis useful.That said, with the advent of the spread/rest operator (
...),applyis redundant.