9.条件渲染.html 1014 B

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="UTF-8">
  5. <meta name="viewport" content="width=device-width, initial-scale=1.0">
  6. <title>Document</title>
  7. </head>
  8. <body>
  9. <!--
  10. 1.v-if v-else-if v-else
  11. 2.show
  12. v-if与v-show区别
  13. v-if 满足执行语句才会显示
  14. v-show 只要为真就显示 频繁切换
  15. -->
  16. <div id="app">
  17. <h1>成绩:{{score}}</h1>
  18. <!-- <p v-if="score >= 90">优秀</p>
  19. <p v-else-if="score >= 70">良好</p>
  20. <p v-else-if="score >= 60">及格</p>
  21. <p v-else>啊~</p> -->
  22. <p v-show="score >= 90">优秀</p>
  23. <p v-show="score >= 70">良好</p>
  24. <p v-show="score >= 60">及格</p>
  25. <p v-show="score < 60">啊~</p>
  26. </div>
  27. <script src="./vue.js"></script>
  28. <script>
  29. var app = new Vue({
  30. data:{
  31. score: Math.round(Math.random() * 100 + 0)
  32. }
  33. }).$mount("#app");
  34. </script>
  35. </body>
  36. </html>