Output of the code: var a = 90100; function someFunc(){ if(false){ var a = 1; } else { var b = 2; } console.log(b); console.log(a); //(1) } someFunc();

If var a = 10, what will the result be of b with following syntax var b = a === 10 ? 'Sheldon' : 'Moonpie';

What's the output? function myFunction(param) { return arguments[1] || param; } myFunction(123, false, 'test')

What is newRay equal to at the end of the following code? var ray = []; ray['0'] = 1; ray['x'] = 2; var newRay = [] for( var i in ray ) { newRay.push( ray[ i ] ); }

Which one is a valid syntax for a self-invokink fucntion?

What's the output? and why? (function(){ var a = b = 3; })(); console.log('a defined? ' + (typeof a !== 'undefined')); console.log('b defined? ' + (typeof b !== 'undefined'));

Most efficient way to clone a JavaScript object?

What kind of Typed Arrays representation of the pixels does Canvas ImageData return when you call ImageData.data?

Which method evaluates a string of JavaScript code in the context of the specified object?

The following codes are for comparing equality operators '==' and '===' in JavaScript. Which are the correct results?

What's the output? public class Test15 { public static void main(String[] args) { VO a = new VO(2); VO b = new VO(3); swapONE(a, b); print(a, b); swapTWO(a, b); print(a, b); } private static void print(VO a, VO b) { System.out.print(a.toString() + b.toString()); } public static void swapONE(VO a, VO b) { VO tmp = a; a = b; b = tmp; } public static void swapTWO(VO a, VO b) { int tmp = a.x; a.x = b.x; b.x = tmp; } } class VO { public int x; public VO(int x) { this.x = x; } public String toString() { return String.valueOf(x); } }