var str="My name is John";
var words1=str.split(" ",3);
console.log("words1:",words1);
var words2=str.split(" ",5);
console.log("words2:",words2);
Ответ:
words1:[ 'My', 'name', 'is' ]
words2:[ 'My', 'name', 'is', 'John' ]
JavaScript test | #JavaScript & Max