JavaScript 查询中奖案例

xiaoxiao2021-03-25 183

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <script> window.onload = function (){ function $(id) {return document.getElementById(id);} $("btn").onclick = function (){ if($("txt").value=="bobby") { alert("恭喜"); } else { alert("谢谢" ); } } } </script> </head> <body> <input type="text" id="txt" value="请输入。。。"> <button id="btn">查询</button> </body> </html>

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