What does this line do? x = new Array(4,8);

Following statement evaluate to? 12 === ''12''

What is the index of 'horse' in the array below? [23, false, 'cat', 'horse', 0]

Suppose we have: var array = new Array(); var x = 'Value'; How can you add a value to an array in Vanilla Javascript?

In the expression y = '5' + 5;

Javascript is designed for the following purpose__________

Which event can detect when the user highlights text within a text or textarea object?

Which browser support a script tag's async attribute?

Which is true for the code below? var object0 = {}; Object.defineProperty(object0, 'prop0', { value : 1, enumerable:false, configurable : true }); Object.defineProperty(object0, 'prop1', { value : 2, enumerable:true, configurable : false }); Object.defineProperty(object0, 'prop2', { value : 3 }); object0.prop3 = 4;

Final value of the variable apt? var apt=2; apt=apt<<2;

Which is not a valid HTML event?