Vue2 自定义全局指令Vue.directive和指令的生命周期 对Vue2 自定义全局指令Vue.directive和指令的生命周期介绍

<h1>自定义指令及其生命周期</h1>
<div id="app">
 <div v-mydirective.modify1.mofify22="mycolor">
  {{ name }}
 </div>
</div>
<button onclick="unbindApp()">解绑</button>
<script>
 function unbindApp() {
  vm.$destroy();
 }
 Vue.directive("mydirective",{
  bind:function (el, binding, vnode) { //1-被绑定
   console.log("1-bind 被绑定");
   console.log("el:",el);
   console.log("binding:",binding);
   console.log("vnode:",vnode);
   el.style.color=binding.value;
  },
  inserted:function (el, binding, vnode) { //2-被插入
   console.log("2-inserted 被插入");
  },
  update:function (el, binding, vnode) { //3-更新
   console.log("3-update 更新");
  },
  componentUpdated:function (el, binding, vnode) { //4-更新完成
   console.log("4-componentUpdated 更新完成");
  },
  unbind:function (el, binding, vnode) { //5-解绑
   console.log("5-unbind 解绑");
  }
 });
 
 var vm=new Vue({
  el:"#app",
  data:{
   mycolor:"blue",
   name:"mydirective指令"
  }
 });
 
</script>