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/*
Script: Color.js
	Class for creating and manipulating colors in JavaScript. Includes basic color manipulations and HSB <-> RGB <-> HEX Conversions.

License:
	MIT-style license.
*/

function Color(params){
	var ptype = $type(params);

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iOS 使用 chrome 開啟
googlechrome://www.google.com

Android 使用 chrome 開啟
googlechrome://navigate?url=www.example.com

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https://www.yahoo.co.jp/
→ Open in LINE browser
https://www.yahoo.co.jp/?openExternalBrowser=1
→ Open in default browser

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var str= '\u6e2c\u8a66';
var msg = unescape(str.replace(/\\u/g, '%u'));
//  -> 測試

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    function setCookie(cname, cvalue, exdays) {
        var d = new Date();
        d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
        var expires = "expires="+d.toUTCString();

        if( arguments.length == 2 ){
            document.cookie = cname + "=" + cvalue + ";path=/";
        }

        if( arguments.length == 3 ){

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@mixin border-radius($radius){
    -webkit-border-radius: $radius;
    -moz-border-radius: $radius;
    -ms-border-radius: $radius;
    border-radius: $radius; 
}

@mixin border-radius-4-variables($radiusTL, $radiusTR, $radiusBR, $radiusBL){
    -webkit-border-radius: $radiusTL $radiusTR $radiusBR $radiusBL;
    -moz-border-radius: $radiusTL $radiusTR $radiusBR $radiusBL;

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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;
};

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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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/**
* 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;
}

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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);