摘要： watch: { '$store.state.cartList': { deep: true, handler(newVal,oldVal) { console.log(newVal,oldVal) } } } 阅读全文

摘要： const list = [ {id:1,age:44,index: 3}, {id:2,age:32,index: 1}, {id:3,age:22,index: 4}, {id:4,age:26,index: 2}, ] const compare = key => { return (valu 阅读全文