console 命令行工具 X clear

console

new Vue({
  el: '#app',
  data: {
    heig: 200,
    wide: 100,
    colorFT: '#CC',
    colorBG: '#FF0000',
  },
  methods: {
    changeStyle: function() {
      this.heig = 300;
      this.wide = 300;
    }
  }
});

<div id='app'>
  <div v-bind:style="{'background':colorBG,'color':colorFT,'height':heig+'px','width':wide+'px'}">
    123
  </div>
  <button v-on:click='changeStyle'>
    测试
  </button>
</div>