Which of the following is the correct syntax for using the JavaScript exec() object method?

var p = {'p1': 'value1', 'p2': 'value2', 'p3': 'value3' }; Which produces the following output? output: p2 = value2

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); } }

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

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

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

What the problem with the code ? function runner() { this.run = function() {} }; var runnerCollection = new Array(); for(var i = 0 ; i < 1000 ; i ++) { runnerCollection.push(new runner()); }

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'));

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

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 ] ); }

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