自定义全局指令和局部指令

//注册全局指令

Vue.directive('upper-word',(el,binding)=>{
  el.textContent=binding.value.toUpperCase();
  
});

　　

<p>自定义全局指令</p>

<p v-upper-word='word'></p>

 

 directives:{
       'lower-word'(el,binding){
           el.textContent=binding.value.toLowerCase(); 
       }
   },

<p>========自定义局部指令============</p>

<p v-lower-word='word'></p>