vue.js 数组更新

改变原始数组

push()

pop()

shift()

unshift()

splice()

sort()

reverse()

不改变原数组

filter()

contat()

slice()

实例：

computed:{
       filterBooks(){
            return this.books.filter(function(book){
                return book.name.match(/javascript/)
            })
        },
        sortBooks(){
            return this.lists.sort(function (a,b) {
                return a.name.length<b.name.length
            })
        }
}

mounted(){
   this.books.push({              //push数组方法,视图直接改变
            name:"《css3实战》",
            author:"huiyh"
        });
        this.books=this.books.concat([{  //concat数组方法，需更新原数组
            name:"《html5实战》",
            author:"lala"
        }])
}