1 Ext.onReady(function(){ 2             //案例一 3             /* 4             var countries = ['Vietnam', 'Singapore', 'United States', 'Russia']; 5             Ext.Array.each(countries, function(name, index, countriesItSelf){ 6                 console.log(name); 7                 if(name == 'Vietnam'){ 8                     return false;  //停止循环 9                 }10             });11             */12             //案例二13             var StudentsJSON = {    14                 student:[{    15                     name: '张三',    16                     studentid: 200801,    17                     grade: 80    18                 },{    19                     name: '李四',    20                     studentid: 200802,    21                     grade: 90    22                 },{    23                     name: '王五',    24                     studentid: 200803,    25                     grade: 90    26                 },{    27                     name: '李二麻子',    28                     studentid: 200804,    29                     grade: 90    30                 }]    31             };  32 33             Ext.each(StudentsJSON.student, function(student, index, self){34                 console.log(student.name);35                 if(student.studentid == '200802'){36                     return false;37                 }38             });39 40         });41