window.js

window.js

var win = window, doc = document;
var nav = win.navigator, UA = nav.userAgent;
var loc = win.location, SH = loc.host;

/*获取站点域名*/
function getDomain(){
	var Domain = SH
	.toString();
	var isHttps = Domain.indexOf('https');
	if(isHttps == -1){
		Domain = 'https://' + domain;
	}else{
		Domain = 'http://' + domain;
	}

	return Domain;
};



/*浏览器检测*/
function BrowserCheck(){
	var win = window, doc = document;
	var nav = win.navigator, UA = nav.userAgent;
	var loc = win.location, domain = loc.search; 
}

/* DOM */

function Trim(str){
    return str.replace(/(^\s*)|(\s*$)/g, "");
}

function contains(a, b){
	if(a.compareDocumentPosition){
		return !!(a.compareDocumentPosition(b) & 16);
	}else if(a.contains){
		return a !== b && (a.contains ? a.contains(b) : true);
	}
	while ((b = b.parentNode))
	if (a === b) return true;
	return false;
};

/* 设置文本选择 */
function onUnselect(){
	if(typeof userSelect === "string"){
		return document.documentElement.style[userSelect] = "none";
	}
	document.unselectable  = "on";
};

/* 取消文本选择 */
function offUnselect(){
	if(typeof userSelect === "string"){
		return document.documentElement.style[userSelect] = "text";
	}
	document.unselectable  = "off";
};

/* get element id*/
function $id(id){
	var o = document.getElementById(id) || false;
	return  o;
};

/* json to array  :  getKey( { 'name' : 'shouyan' , 'age' : '18' } ) //  [ 'name' , 'age' ] */
function getKey(param){
	var keys = [];
	for(key in param){
		keys.push(key);
	}
	return  keys;
};

function getPosition(element){
	
	var offsetLeft = element.offsetLeft , offsetTop = element.offsetTop;
	var current = element.offsetParent;

	while(current !== null){
		offsetLeft += current.offsetLeft ;
		offsetTop += current.offsetTop ;
		current = current.offsetParent ;
	};
	
	return {
		'left' : offsetLeft ,
		'top' : offsetTop
	};
}

/* addElment( 'div' , { 'id' : 'myid' , 'css' : ' c1 c2 c3 ' , 'name' : 'myname' , 'style' : 'border:1px solid #ccc' }  ,  '要增加的内容') */
function addElement( tagName , param , html){ 
	param = param || {};
	html = (!html) ? null : html;
	var o = document.createElement(tagName);
	var keys = getKey(param); //返回json对象的key的数组 [ 'id' , 'css' ,'style']
	for(var i=0;i<keys.length;i++){
		var temp = keys[i];
		if(temp=='style'){
			o.style.cssText = param[temp];
		}else if(temp =='class'){
			o.className = param[temp];
		}else{
			o.setAttribute(temp,param[temp]);
		};
	}
	if(html != null){
		o.innerHTML = html;
	}
	return o;
};



function getChilds(element){
	var cn = element.childNodes, arr = [];
	for (var i = cn.length - 1; i >= 0; i--){
		if(cn[i].nodeType == 1){
			arr.push(cn[i]);
		}
	};
	return arr;
};


/* set element css style */
function CSS(o,param){
	var keys = getKey(param);
	for (var i = keys.length - 1; i >= 0; i--) {
		o.style[keys[i]] = param[keys[i]];
	};
}

/* loadscripts( 'style/css.css' ) */
function loadscripts(url){
	var patten = /(\.css|\.js)$/gi;
	var type = patten.exec(url)[0];
	var temp;
	if( type == '.css' ){
		temp = addElement('link' , { 'rel' : 'stylesheet' , 'href' : url ,'type' : 'text/css'});
		document.getElementsByTagName('head')[0].appendChild(temp);
	}else if( type == '.js' ){
		temp = addElement('script' , { 'src' : url , 'type' : 'text/javascript' } );
		document.body.appendChild(temp);
	}
};

/* loaders */
function loaders(param){
	var type = getKey(param);
	var  o;
	for (var i = type.length - 1; i >= 0; i--) {
		(function(k){
			if(type[k] == 'css'){
				o = addElement('link' , { 'rel' : 'stylesheet' , 'href' : param[type[k]] ,'type' : 'text/css'});
				document.getElementsByTagName('head')[0].appendChild(o);
			}else if(type[k] == 'js'){
				o = addElement('script' , { 'src' : param[type[k]] , 'type' : 'text/javascript' } );
				document.body.appendChild(o);
			};
		})(i);
	};
};


/*获取宽高*/
function getSize(o){
	if(o == window){
		return {
			'width' : document.documentElement.clientWidth , 
			'height' : document.documentElement.clientHeight 
		};
	}else{
		return{
			'width' : o.offsetWidth,
			'height' : o.offsetHeight
		}
	}
	/*if(document.compatMode == 'CSS1Compat '){
		return {
			'width' : document.documentElement.clientWidth , 
			'height' : document.documentElement.clientHeight 
		};
		
	}else if(document.compatMode == 'BackCompat  '){
		return {
			'width' : document.body.clientWidth , 
			'height' : document.body.clientHeight 
		};
	}*/
};

function toJSON(str){
	var json = (new Function("return " + str))();
	return json;
}