Javascript代码无效 [英] Javascript code not working
本文介绍了Javascript代码无效的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我试图通过此代码实现以下功能。如果我输入y,将显示图像。但不仅是'y',当我把任何字符放在图像上时。如何解决这个问题?
I am trying to achieve the following thing by this code. That if i enter "y" the image will be shown. But not only 'y' when i put any character the image is shown. How to solve this?
<html>
<head>
<title>Emogic</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
</head>
<body>
<img id="img" src="">
<input type="text" />
<button>click me!</button>
<script>
$("button").click(function() {
if($("input").val() == 'Y' || 'y'){
$("#img").attr("src", "airplane105.png");
}
});
</script>
</body>
</html>
推荐答案
(< span class =code-string> button)。click( function ( ){
if (
("button").click(function() { if(
( < span class =code-string> input)。val()== ' Y' || ' y'){
("input").val() == 'Y' || 'y'){
( #img)。attr( src, airplane105.png);
}
});
< / script >
< / body >
< / html >
("#img").attr("src", "airplane105.png"); } }); </script> </body> </html>
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