In the W3C model, if you attach an anonymous function as an event handler of an element using addEventListener, how can you remove that anonymous function?

What's the output? function f(a, b, c){return true;} var a = f.length;

Which way can you use to prevent default action when a user clicks on a link on any browser?

Which event object properties can you use to check whether that event is allowed to prevent default behavior or not?

Result of type of (Infinity); statement?

What's the output? function a() { alert('Outer function!'); return function(){ alert('Inner function!'); }; } var a = a(); a();

Consider the following JavaScript validation function: function ValidateField() { if(document.forms[0].txtId.value == '' '') {return false;} return true; } Which will call the function as soon as the user leaves the field?

Which will list the properties of a JavaScript object?

Which are true regarding the 'this' keyword in JavaScript?

What would be the value of 'ind' after execution of the following code? var msg='Welcome to ExpertRating' var ind= msg.substr(3, 3)

Which Array method in JavaScript runs a function on every item in the Array and collects the result from previous calls, but in reverse?