常用js方法

    function dateGetter(name, size, offset, trim) {
        offset = offset || 0;
        return function (date) {
            var value = date['get' + name]();
            if (offset > 0 || value > -offset)
                value += offset;
            if (value === 0 && offset == -12) value = 12;
            return padNumber(value, size, trim);
        };
    };
    function padNumber(num, digits, trim) {
        var neg = '';
        if (num < 0) {
            neg = '-';
            num = -num;
        }
        num = '' + num;
        while (num.length < digits) num = '0' + num;
        if (trim)
            num = num.substr(num.length - digits);
        return neg + num;
    };
    function dateStrGetter(name, shortForm) {
        return function(date, formats) {
            var value = date['get' + name]();
            var get = (shortForm ? ('SHORT' + name) : name).toUpperCase();

            return formats[get][value];
        };
    };
    window.IGrow = {};
    var Utilities = {
        getParameterByName: function (name) {
            name = name.replace(/[[]/, "\[").replace(/[]]/, "\]");
            var regex = new RegExp("[\?&]" + name + "=([^&#]*)"),
                results = regex.exec(location.search);
            return results === null ? "" : decodeURIComponent(results[1].replace(/+/g, " "));
        },
        findElement: function (arr, propName, propValue) {
            for (var i = 0; i < arr.length; i++)
                if (arr[i][propName] == propValue)
                    return arr[i];
        },
        findWithAttr: function (array, attr, value) {
            for (var i = 0; i < array.length; i += 1) {
                if (array[i][attr] === value) {
                    return i;
                }
            }
        },
        jsonObjToBase64: function (json) {
            return btoa(encodeURIComponent(JSON.stringify(json)));
        },
        base64TojsonObj: function (base64) {
            return JSON.parse(decodeURIComponent(atob(base64)));
        },
        pageJump: function (url) {
            location.href = url;
        },
        log: function () {
            for(key in arguments){
                console.log(JSON.parse(JSON.stringify(arguments[key])));
            }
        },
        copy: function (source) {
            var result = source instanceof Array ? [] : {};
            for (var key in source) {
                result[key] = typeof source[key] === 'object' ? this.copy(source[key]) : source[key];
            }
            return result;
        },
        params: function () {
            var url = window.location.search;
            if (url.indexOf("?") != -1) {
                var str = url.substr(1),
                    strs = str.split("&"),
                    key = new Array(strs.length),
                    value = new Array(strs.length),
                    params = {};
                for (var i = 0; i < strs.length; i++) {
                    key[i] = strs[i].split("=")[0]
                    value[i] = unescape(strs[i].split("=")[1]);
                    params[key[i]] = value[i]
                }
                return params;
            }
        },
        getTime: function (date, format) {
            var text = '',
                parts = [],
                fn, match;
            while (format) {
                match = /((?:[^yMdHhmsaZEwG']+)|(?:'(?:[^']|'')*')|(?:E+|y+|M+|d+|H+|h+|m+|s+|a|Z|G+|w+))(.*)/.exec(format);
                if (match) {
                    parts = parts.concat([].slice.call(match, 1));
                    format = parts.pop();
                } else {
                    parts.push(format);
                    format = null;
                }
            }
            parts.forEach(function(value) {
                fn = DATE_FORMATS[value];
                text += fn ? fn(new Date(date))
                    : value.replace(/(^'|'$)/g, '').replace(/''/g, "'");
            });
            return text;
        },
        tip: function (msg,time) {
            var html = '<div class="weui_dialog_alert" id="tip">' +
                '<div class="weui_mask"></div>' +
                '<div class="weui_dialog">' +
                '<div class="weui_dialog_hd"><strong class="weui_dialog_title">提示</strong></div>' +
                '<div class="weui_dialog_bd">' + msg + '</div>' +
                '<div class="weui_dialog_ft">', time = time || 2000;
            if ($('#tip').length) {
                $('#tip').find('.weui_dialog_bd').html(msg);
                $('#tip').show();
            } else {
                $('body').append(html);
            }
            $('#tip').off().click(function(){
                $(this).hide();
            });
            setTimeout(function () {
                $('#tip').hide();
            }, time);
        },
        extend: function () {
            var _extend,
                _isObject,
                arr = arguments,
                result = {},
                i;

            _isObject = function (o) {
                return Object.prototype.toString.call(o) === '[object Object]';
            };

            _extend = function self(destination, source) {
                var property;
                for (property in destination) {
                    if (destination.hasOwnProperty(property)) {

                        // 若destination[property]和sourc[property]都是对象，则递归
                        if (_isObject(destination[property]) && _isObject(source[property])) {
                            self(destination[property], source[property]);
                        }
                        ;

                        // 若sourc[property]已存在，则跳过
                        if (source.hasOwnProperty(property)) {
                            continue;
                        } else {
                            source[property] = destination[property];
                        }
                    }
                }
            };

            if (!arr.length) return {};

            for (i = arr.length - 1; i >= 0; i--) {
                if (_isObject(arr[i])) {
                    _extend(arr[i], result);
                }
            }

            arr[0] = result;

            return result;
        },

forEach: function (obj, iterator, context) {
    var key, length;
    if (obj) {
        if (typeof obj == 'function') {
            for (key in obj) {
                // Need to check if hasOwnProperty exists,
                // as on IE8 the result of querySelectorAll is an object without a hasOwnProperty function
                if (key != 'prototype' && key != 'length' && key != 'name' && (!obj.hasOwnProperty || obj.hasOwnProperty(key))) {
                    iterator.call(context, obj[key], key, obj);
                }
            }
        } else if ($.isArray(obj)) {
            var isPrimitive = typeof obj !== 'object';
            for (key = 0, length = obj.length; key < length; key++) {
                if (isPrimitive || key in obj) {
                    iterator.call(context, obj[key], key, obj);
                }
            }
        } else if (obj.forEach && obj.forEach !== Utilities.forEach) {
            obj.forEach(iterator, context, obj);
        } else {
            for (key in obj) {
                if (obj.hasOwnProperty(key)) {
                    iterator.call(context, obj[key], key, obj);
                }
            }
        }
    }
    return obj;
}

    };

    Utilities.routeParams = Utilities.params();

 常用js方法，extend合并对象，copy深拷贝对象，tip提示信息框，getTime返回自定义格式时间，params获取浏览器地址参数，log打印相关变量，forEach循环对象或数组