What is the correct JavaScript syntax to change the content of the HTML element with id "header"?

Correct way to append a value to an array in JavaScript?

Javascript can be termed as which of the following?

How can you detect the client's browser name?

What's the output? function clickValue(){ alert(Math.round(-20.5)); } clickValue();

Document Methods in W3C DOM, supports all the methods available in Legacy DOM?

How can you get the square root of 2 in JavaScript?

0 == '' True or False?

Which JavaScript operators would be most helpful in writing code to force a choice between seven options:

Consider the following statements var count = 0; while (count < 10) { console.log(count); count++; } In the above code snippet, what happens?

Which company developed JavaScript?