JavaScript 中的 Enter 键按下事件?

javascriptweb developmentobject oriented programming更新于 2025/4/20 4:28:17

对于 ENTER 键按下事件，您可以调用一个函数 −

onkeypress="yourFunctionName"

Use the ENTER’s keycode 13.

示例

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initialscale=1.0">
<title>Document</title>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/fontawesome/
4.7.0/css/font-awesome.min.css">
</head>
<body>
<input id="enterDemo" type="text" onkeypress="return
enterKeyPressed(event)" />
<script>
   function enterKeyPressed(event) {
      if (event.keyCode == 13) {
         console.log("Enter key is pressed");
         return true;
      } else {
         return false;
      }
   }
</script>
</body>
</html>