How can it be determined if JavaScript is disabled in the user’s browser?

A form contains two fields named id1 and id2. How can you copy the value of the id2 field to id1?

Consider the following code: Which one shows the correct values for 'variable1' and 'variable2'?

Which can be used to dynamically change the value of a tag?

While coding a loop, which statement can be used to ignore the rest of the statements, and continue with the beginning of the loop?

Which cannot be achieved using JavaScript?

What is logged? if ('10' + 1 == 101) { var a = 'yes'; } console.log(a);

What is the value of foo? var foo = 10 + '20';

What methods, other than if-else/switch, can be used to execute conditional statements?

What will be logged into the console? var animals = ['moose', 'giraffe', 'unicorn']; animals.forEach(function(animal, index) { if (index === 2) { console.log(animal); } });

Correct syntax for declaring an object literal?