Javascript在页面输出九九乘法表

 关键代码

for (let i = 1; i <= 9; i++) {
        for (let j = 1; j <= i; j++) {
          document.write(`<span>${j} x ${i} = ${i * j}</span>`);
        }
        document.write("<br>");
      }

css样式

<style>
      span {
        display: inline-block;
        padding: 5px 10px;
        border: 1px solid pink;
        margin: 2px;
        border-radius: 5px;
        box-shadow: 2px 2px 2px rgb(255, 192, 203, 0.4);
        background-color: rgb(255, 192, 203, 0.1);
        width: 100px;
        text-align: center;
      }
    </style>

 运行结果