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109 lines
2.7 KiB
JavaScript
109 lines
2.7 KiB
JavaScript
/*!
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* JavaScript 扩充 Library v1.0
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*/
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(function () {
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//for old browsers
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window["undefined"] = window["undefined"];
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//String class extend
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String.isInstance = function (_string) {
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return (typeof (_string) === "string");
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};
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String.isEmpty = function (str) {
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return (typeof (str) === "undefined" || str === null || (str.length === 0));
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};
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String.isNotEmpty = function (str) {
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return (!String.isEmpty(str));
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};
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String.prototype.trim = function () {
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return this.replace(/(^[\s]*)|([\s]*$)/g, "");
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};
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String.prototype.getAttribute = function (name) {
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var reg = new RegExp("(^|;|\\s)" + name + "\\s*:\\s*([^;]*)(\\s|;|$)", "i");
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if (reg.test(this)) {
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return RegExp.$2.replace(/[\x0f]/g, ";");
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}
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return null;
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};
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String.prototype.cnLength = function () {
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return ((this.replace(/[^x00-xFF]/g, "**")).length);
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};
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//Array class extend
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Array.isInstance = function (obj) {
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return Object.prototype.toString.call(obj) === '[object Array]';
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};
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Array.prototype.add = function (o) {
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this.push(o);
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};
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Array.prototype.indexOf = function (o) {
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for (var i = 0, len = this.length; i < len; i = i + 1) {
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if (this[i] != null && typeof(this[i].equals)=='function' && this[i].equals(o)) {
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return i;
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}
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if (this[i] == o) {
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return i;
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}
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}
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return -1;
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};
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Array.prototype.equals = function (_array) {
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if(this == _array){
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return true;
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}
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if(!Array.isInstance(_array)){
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return false;
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}
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if(this.length != _array.length){
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return false;
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}
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for (var i = 0, len = this.length; i < len; i = i + 1) {
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var o1 = this[i];
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var o2 = _array[i];
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if(o1 != o2){
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if(!(typeof(o1.equals)=='function' && o1.equals(o2))){
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return false;
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}
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}
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}
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return true;
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};
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Array.prototype.remove = function (o) {
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var index = this.indexOf(o);
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if (index != -1) {
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this.splice(index, 1);
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return true;
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} else {
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return false;
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}
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};
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Array.prototype.contains = function (o) {
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return this.indexOf(o) != -1;
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};
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Array.prototype.containsAll = function (oArray) {
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if (this == oArray) {
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return true;
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}
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for (var i = 0; i < oArray.length; i = i + 1) {
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var o = oArray[i];
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if (!this.contains(o)) {
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return false;
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}
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}
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return true;
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};
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//Date class extend
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Date.isInstance = function (obj) {
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return (Object.prototype.toString.call(obj) === '[object Date]');
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};
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//Function class extend
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Function.isInstance = function (obj) {
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return Object.prototype.toString.call(obj) === '[object Function]';
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};
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//Number class extend
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Number.isInstance = function (obj) {
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return Object.prototype.toString.call(obj) === '[object Number]';
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};
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//Boolean class extend
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Boolean.isInstance = function (obj) {
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return Object.prototype.toString.call(obj) === '[object Boolean]';
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};
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})(); |