var app2=new Vue({
el:'#app-2',data:{
message2:'Hello Hou Hou'
},methods: {
reverseMessage2: function () {
return this.message2.split('').reverse().join('')
}
}
});
var app3=new Vue({
el:'#app-3',data:{
message3:'Zhou Er Ke'
},computed:{
//a computed getter
reverseMessage3:function () {

return this.message3.split('').reverse().join('')
}
}
});
var app4 = new Vue({
el: '#app-4',data: {
firstName: 'Foo',lastName: 'Bar',fullName: 'Foo Bar'
},watch: {
firstName: function (val) {
this.fullName = val + ' ' + this.lastName
},lastName: function (val) {
this.fullName = this.firstName + ' ' + val
}
}
});
var app5=new Vue({
el:'#app-5',data:{
firstName: 'Foo',},computed:{
fullname:function () {
return this.firstName+' '+this.lastName
}
}
});