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/**
 * two way data binding
 */

// create root scope

window.$rootScope = {};

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function type(source) {
    return Object.prototype.toString.call(source).replace(/^\[object (.+)\]/g, '$1').toLowerCase();
}
function forEach(source, callback) {
    var type = type(source)
    if (type === 'array')
        for (var i = 0, l = source.length;i < l;i++) {
            callback(source[i], i);
        }
    }

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(function () { 
    var root = angular.element(document.getElementsByTagName('body'));

    var watchers = [];

    var f = function (element) {
        angular.forEach(['$scope', '$isolateScope'], function (scopeProperty) { 
            if (element.data() && element.data().hasOwnProperty(scopeProperty)) {
                angular.forEach(element.data()[scopeProperty].$$watchers, function (watcher) {
                    watchers.push(watcher);

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$(document).ready(function() {
	
	/* Hide all elements outside the visible window */
	$('body *').each( function(){
	   
		var top_of_object = $(this).position().top;
		var bottom_of_window = $(window).scrollTop() + $(window).height();
	   
		if( bottom_of_window < top_of_object  ){
		

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//原型继承
if (typeof Object.beget !== 'function') {
    Object.create = function(o) {
        var F = function() {};
        F.prototype = o;
        return new F();
    };
}

//var new_o = Object.create(old_o);

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$(function() {
  $('a[href*=#]:not([href=#])').click(function() {
    if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'') && location.hostname == this.hostname) {
      var target = $(this.hash);
      target = target.length ? target : $('[name=' + this.hash.slice(1) +']');
      if (target.length) {
        $('html,body').animate({
          scrollTop: target.offset().top
        }, 1000);
        return false;

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var BrowserDetect = {
        init: function() {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent) || this.searchVersion(navigator.appVersion) || "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function(data) {
		for (var i = 0; i < data.length; i++) {
			var dataString = data[i].string;
			var dataProp = data[i].prop;