The one-liner code that concatenates all strings passed into a function is

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Admin · Accepted Answer

function concatenate() { return String.concat.apply(', arguments); }

Admin · Answer

function concatenate() { return String.prototype.concat(', arguments); }

Admin · Answer

function concatenate() { return String.prototype.concat.apply(', arguments); }

Admin · Answer

function concatenate() { return String.prototype.apply(', arguments); }

Q. The one-liner code that concatenates all strings passed into a function is