vue 监听data数据变化

Posted 2020-10-17 learnoff

当被监听的数据发生变化是，函数被执行

created() {
    this.$watch("Withdrawals", function (newValue, oldValue) {
    if(this.Withdrawals==false){
    console.log("123")
        }
    })
}

data(){
  return{
    Withdrawals:false
 }
}