// Here are some sources to look at
1. https://dev.to/samssjubair/10-javascript-interview-questions-you-should-know-2hc0
2. https://dev.to/angelomiranda/top-10-javascript-interview-questions-and-answers-you-should-know-junior-and-senior-3943
3. https://www.edureka.co/blog/interview-questions/javascript-interview-questions/
4. https://www.toptal.com/javascript/interview-questions
5. https://www.upwork.com/i/interview-questions/javascript/
6. https://www.guru99.com/javascript-interview-questions-answers.html
7. https://everyday.codes/javascript/10-javascript-interview-questions-for-2020/
8. https://www.educba.com/javascript-interview-questions/
9. https://www.interviewbit.com/javascript-interview-questions/
10. https://morioh.com/p/4ebff6b2d5f3
function sum() {
var i, l, result = 0;
for (i = 0, l = arguments.length; i < l; i++) {
result += arguments[i];
}
return result;
}
sum(1,2,3); // 6