Vue6_计算属性computed:

<!DOCTYPEhtml><htmllang="en"><head><metacharset="UTF-8"><title>Title</title><scriptsrc="https://www.qianduanzhan.com"></script></head><body><divid="app1"><inputtype="text"v-model="n1">+<inputtype="text"v-model="n2">=<inputtype="text"v-model="sum"></div><script>varapp=newVue({el:'#app1',data:{n1:'2',n2:'3'},computed:{sum:function(){returnthis.n1*1+this.n2*1;}}});</script></body></html>