Which of the following is not a valid method in generator-iterator objects in JavaScript?

How can a JavaScript object be printed?

How can the operating system of the client machine be detected?

What's the output? function testGenerator() { yield 'first'; document.write('step1'); yield 'second'; document.write('step2'); yield 'third'; document.write('step3'); } var g = testGenerator(); document.write(g.next()); document.write(g.next());

Consider the following variable declarations: var a="adam" var b="eve" Which of the following would return the sentence "adam and eve"?

Which one changes an image on the page?

Consider the code snippet given below: var a = {a1: 1, a2: 2}; var b = 0; for (i in a) { b += a[i]; } Which is true?

What's the output? var a = {f: 'object'}; var b = {f: 'object'}; var c = a == b;

window.frames is a collection of all of the ... in the current page.

Value of b? var a = Array(5); var b = a[0];

Which operators is valid JavaScript operator(s)?