javascript 通过document.getElementByid.().value获取前台HTML数据

49路末班车 2022-11-18 阅读 35

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <script>
      function leechoy(){
        alert(document.getElementById("in").value);
      }
    </script>
  </head>
  <body>
    <input id = "in" value="" />
    <button onclick="leechoy()">点这里</button>
  </body>
</html>

javascript 通过document.getElementByid.().value获取前台HTML数据_html

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