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保存用户设置练习
浅若夏沫
Original
593 people have browsed it

没有使用cookies，但功能都做出来了

  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4.     <meta charset="UTF-8">
  5.     <meta http-equiv="X-UA-Compatible" content="IE=edge">
  6.     <meta name="viewport" content="width=device-width, initial-scale=1.0">
  7.     <title>Document</title>
  8.     <style>
  9.         .text{
  10.             width:300px;
  11.             height:300px;
  12.             border:1px solid black;
  13.         }
  14.        .btn{
  15.            line-height:30px;
  16.        }
  17.     </style>
  18. </head>
  19. <body>
  20.       <div class="text">天堂旅行团</div>
  21.         <div class="btn">
  22.           <button id="bjys">改变背景颜色</button>
  23.           <button id="ztys">改变字体颜色</button>
  24.           <button id="size">改变字体字号</button>
  25.         </div>
  26.     <script>
  27.         var text=document.querySelector('.text');
  28.         var bjys=localStorage.getItem('bgColor') || '#fe3212';
  29.         var ztys=localStorage.getItem('color') || 'black';
  30.         var size=localStorage.getItem('fontSize') || '20px';
  31.         text.style.background=bjys;
  32.         text.style.color=ztys;
  33.         text.style.fontSize=size;
  35.         document.querySelector('#bjys').onclick = function () {
  36.         bgColor = prompt('请输入要修改的颜色');
  37.         localStorage.setItem('bgColor', bgColor);
  38.         text.style.background = bgColor;
  39.        }
  41.        document.querySelector('#ztys').onclick = function () {
  42.         color = prompt('请输入字体的颜色');
  43.         localStorage.setItem('color', color);
  44.         text.style.color = color;
  45.        }
  47.        document.querySelector('#size').onclick = function () {
  48.         fontSize = parseInt(prompt('请输入要修改的字体大小')) + 'px';
  49.         localStorage.setItem('fontSize', fontSize);
  50.         text.style.fontSize = fontSize;
  51.     }
  53.     </script>
  54.  </body>
  55. </html>






Correcting teacher：PHPzPHPz

Correction status：qualified

Teacher's comments：
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