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>