本人自用的global.js库源码分享

 这篇文章主要介绍了本人自用的global.js库源码分享,源码中包含常用WEB操作,如命名空间、DOM操作、数据判断、Cookie操作等功能,需要的朋友可以参考下

 
 

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var GLOBAL = {};
GLOBAL.namespace = function(str) {
var arr = str.split("."), o = GLOBAL,i;
for (i = (arr[0] = "GLOBAL") ? 1 : 0; i < arr.length; i++) {
o[arr[i]] = o[arr[i]] || {};
o = o[arr[i]];
}
};
//Dom相关
GLOBAL.namespace("Dom");
 
GLOBAL.Dom.getNextNode = function (node) {
node = typeof node == "string" ? document.getElementById(node) : node;
var nextNode = node.nextSibling;
if (!nextNode) {
return null;
}
if (!document.all) {
while (true) {
if (nextNode.nodeType == 1) {
break;
 
} else {
if (nextNode.nextSibling) {
nextNode = nextNode.nextSibling;
} else {
break;
}
}
}
return nextNode;
}
}
 
GLOBAL.Dom.setOpacity = function(node, level) {
node = typeof node == "string" ? document.getElementById(node) : node;
if (document.all) {
node.style.filter = 'alpha(opacity=' + level + ')';
} else {
node.style.opacity = level / 100;
}
};
 
GLOBAL.Dom.getElementsByClassName = function (str, root, tag) {
if (root) {
root = typeof root == "string" ? document.getElementById(root) : root;
} else {
root = document.body;
}
tag = tag || "*";
var els = root.getElementsByTagName(tag), arr = [];
for (var i = 0, n = els.length; i < n; i++) {
for (var j = 0, k = els[i].className.split(" "), l = k.length; j < l; j++) {
if (k[j] == str) {
arr.push(els[i]);
break;
}
}
}
return arr;
}
GLOBAL.namespace("Event");
GLOBAL.Event.stopPropagation = function(e) {
e = window.event || e;
if (document.all) {
e.cancelBubble = true;
} else {
e.stopPropagation();
}
};
GLOBAL.Event.getEventTarget = function(e) {
e = window.event || e;
return e.srcElement || e.target;
};
 
GLOBAL.Event.on = function(node, eventType, handler) {
node = typeof node == "string" ? document.getElementById(node) : node;
if (document.all) {
node.attachEvent("on" + eventType, handler);
} else {
node.addEventListener(eventType, handler, false);
}
};
 
//Lang相关
GLOBAL.namespace("Lang");
GLOBAL.Lang.trim = function(ostr) {
return ostr.replace(/^s+|s+$/g, "");
};
 
GLOBAL.Lang.isNumber = function(s) {
return !isNaN(s);
};
 
function isString(s) {
return typeof s === "string";
}
 
 
 
function isBoolean(s) {
return typeof s === "boolean";
}
 
function isFunction(s) {
return typeof s === "function";
}
 
function isNull(s) {
return s === null;
}
 
function isUndefined(s) {
return typeof s === "undefined";
}
 
function isEmpty(s) {
return /^s*$/.test(s);
}
 
function isArray(s) {
return s instanceof Array;
}
 
GLOBAL.Dom.get = function (node) {
node = typeof node === "string" ? document.getElementById(node) : node;
return node;
}
 
function $(node) {
node = typeof node == "string" ? document.getElementById(node) : node;
return node;
}
 
 
GLOBAL.Lang.extend = function(subClass, superClass) {
var F = function() {
};
F.prototype = superClass.prototype;
subClass.prototype = new F();
subClass.prototype.constructor = subClass;
subClass.superClass = subClass.prototype;
if (superClass.prototype.constructor == Object.prototype.constructor) {
superClass.prototype.constructor = superClass;
}
};
 
GLOBAL.namespace("Cookie");
GLOBAL.Cookie = {
read: function (name) {
var cookieStr = ";" + document.cookie + ";";
var index = cookieStr.indexOf(";" + name + "=");
if (index != -1) {
var s = cookieStr.substring(index + name.length + 3, cookieStr.length);
return unescape(s.substring(0, s.indexOf(";")));
} else {
return null;
}
},
set: function (name, value, expires) {
var expDays = expires * 24 * 60 * 60 * 1000;
var expDate = new Date();
expDate.setTime(expDate.getTime() + expDays);
var expString = expires ? ";expires=" + expDate.toGMTString() : "";
var pathString = ";path=/";
document.cookie = name + "=" + escape(value) + expString + pathString;
},
del: function (name, value, expires) {
var exp = new Date(new Date().getTime() - 1);
var s = this.read(name);
if (s != null) {
document.cookie = name + "=" + s + ";expires=" + exp.toGMTString() + ";path=/";
}

时间: 2016-03-02