monkianer

/**
 * Provides requestAnimationFrame in a cross browser way.
 * @author paulirish / http://paulirish.com/
 */

if ( !window.requestAnimationFrame ) {

	window.requestAnimationFrame = ( function() {

		return window.webkitRequestAnimationFrame ||

monkianer

/** Get parameter after query(ex:?p=1) sign.
 *	@param 	{string} parameter name.
 */
var GetURLParameter = function(sParam){
	var oPageURL = window.location.href;
	var sPageURL = oPageURL.split('?')[1];
	if(sPageURL == null){
		return;
	}
	

monkianer

var target_date = new Date("Aug 6, 2015").getTime();
// variables for time units
var days, hours, minutes, seconds;

function updateCountdown(){

  // get current time stampe
  var current_date = new Date().getTime();
  // get seconds by using target_date - current_date, divide by million second.
  var seconds_left = (target_date - current_date) / 1000;

monkianer

var versions = function (){
    var u = navigator.userAgent, app = navigator.appVersion;
    var ua = navigator.userAgent.toLowerCase();

    return { //偵測移動端瀏覽器版本信息
        trident: u.indexOf('Trident') > -1, //IE 核心
        presto: u.indexOf('Presto') > -1, //opera 核心
        webKit: u.indexOf('AppleWebKit') > -1, //Apple, google 核心
        gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1, //Firefox 核心
        mobile: !!u.match(/AppleWebKit.*Mobile.*/), //行動裝置

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// 10 可以更換成為其他數字(例: .{.20} 即為每20個字元換行)
// 以下例子是以每10個字元換行
string.replace(/(.{10})/g, "$1\n");

monkianer

function AddZeroDigitsBefore(d, digits){
	var nStr = d + '';
	var digits = digits || 0;

	while(nStr.length < digits){
		nStr = '0' + nStr;
	}
	return nStr;
}

monkianer

function randomRGBColor(){
    var r = Math.floor(Math.random()*256);
    var g = Math.floor(Math.random()*256);
    var b = Math.floor(Math.random()*256);
    return "rgb("+ r + "," + g + "," + b +")";
}

function randomHSLColor(){

    var h = Math.floor(Math.random()*360);

monkianer

/**
* Fix the 'ie' is not compatible with window.scrollY
* test with ie 9, 10, 11, edge.
**/
function getScrollTop(){
  var t = typeof window.scrollY === 'undefined' ? window.pageYOffset : window.scrollY;
  return t;
}

monkianer

function getCanvasMousePosition(e, canvas) {
	var isRetina = true;
	var offsetX = 0, offsetY = 0, mx, my;

	if (canvas.offsetParent !== undefined) {
		do {
			offsetX += canvas.offsetLeft - canvas.scrollLeft;
			offsetY += canvas.offsetTop - canvas.scrollTop;
		} while ((canvas = canvas.offsetParent));
	}

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// Converts from degrees to radians.
Math.radians = function(degrees) {
  return degrees * Math.PI / 180;
};
 
// Converts from radians to degrees.
Math.degrees = function(radians) {
  return radians * 180 / Math.PI;
};