HTML中按钮的隐藏属性 [英] Hidden property of a button in HTML
问题描述
我试图在单击一次按钮时显示三个按钮。在单击按钮之前，所有三个按钮均被隐藏。我设置了hidden属性，并且在单击按钮时也调用了一个函数。问题是，当我加载页面时，所有按钮都是可见的。在添加CSS之前，它运行良好。我不明白问题出在哪里。
I am trying to show three buttons on one button click. Before a button click all three buttons are hidden. I set the hidden property and I am also calling a function on a button click. The problem is that when I load the page all buttons are visible. It was working perfectly before I added CSS. I don't understand where the problem is.
这是我的代码：
.buttons a, .buttons button{
display:block;
float:left;
margin:0 7px 0 0;
background-color:#f5f5f5;
border:1px solid #dedede;
border-top:1px solid #eee;
border-left:1px solid #eee;
font-family:"Lucida Grande", Tahoma, Arial, Verdana, sans-serif;
font-size:12px;
line-height:130%;
text-decoration:none;
font-weight:bold;
color:#565656;
cursor:pointer;
padding:5px 10px 6px 7px; /* Links */
}
.buttons button{
width:auto;
overflow:visible;
padding:4px 10px 3px 7px; /* IE6 */
}
.buttons button[type]{
padding:5px 10px 5px 7px; /* Firefox */
line-height:17px; /* Safari */
}
*:first-child+html button[type]{
padding:4px 10px 3px 7px; /* IE7 */
}
.buttons button img, .buttons a img{
margin:0 3px -3px 0 !important;
padding:0;
border:none;
width:16px;
height:16px;
}
/* STANDARD */
button:hover, .buttons a:hover{
background-color:#dff4ff;
border:1px solid #c2e1ef;
color:#336699;
}
.buttons a:active{
background-color:#6299c5;
border:1px solid #6299c5;
color:#fff;
}
/* POSITIVE */
button.positive, .buttons a.positive{
color:#529214;
}
.buttons a.positive:hover, button.positive:hover{
background-color:#E6EFC2;
border:1px solid #C6D880;
color:#529214;
}
.buttons a.positive:active{
background-color:#529214;
border:1px solid #529214;
color:#fff;
}
/* NEGATIVE */
.buttons a.negative, button.negative{
color:#d12f19;
}
.buttons a.negative:hover, button.negative:hover{
background:#fbe3e4;
border:1px solid #fbc2c4;
color:#d12f19;
}
.buttons a.negative:active{
background-color:#d12f19;
border:1px solid #d12f19;
color:#fff;
}
/* REGULAR */
button.regular, .buttons a.regular{
color:#336699;
}
.buttons a.regular:hover, button.regular:hover{
background-color:#dff4ff;
border:1px solid #c2e1ef;
color:#336699;
}
.buttons a.regular:active{
background-color:#6299c5;
border:1px solid #6299c5;
color:#fff;
}
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="STYLESHEET" type="text/css" href="dba_style/buttons.css" />
<title>Untitled Document</title>
<script type="text/javascript">
function change(){
document.getElementById("save").hidden = "";
document.getElementById("change").hidden = "";
document.getElementById("cancel").hidden = "";
}
</script>
</head>
<body>
<form name="form1" method="post" action="">
<div class="buttons">
<button class="regular" name="edit" id="edit" onclick="change();">
<img src="dba_images/textfield_key.png" alt=""/>
Edit
</button>
<button type="submit" class="positive" name="save" id="save" hidden="hidden">
<img src="dba_images/apply2.png" alt=""/>
Save
</button>
<button class="regular" name="change" hidden="hidden" id="change">
<img src="dba_images/textfield_key.png" alt=""/>
change
</button>
<button class="negative" name="cancel" id="cancel" hidden="hidden">
<img src="dba_images/cross.png" alt=""/>
Cancel
</button>
</div>
</form>
</body>
</html>
我可以进行哪些更改，以便当我单击编辑时，它将三个按钮的 hidden 属性设置为 false ？
What changes can I make, so that when I click on edit it sets the hidden property of three buttons to false?
推荐答案
如果进行以下更改，它也可以在没有jQuery的情况下工作：
It also works without jQuery if you do the following changes:
-
将
type = button添加到编辑按钮，以免触发表单的提交。
Add
type="button"to the edit button in order not to trigger submission of the form.
将函数的名称从 change（）更改为其他名称。
Change the name of your function from change() to anything else.
请勿使用 hidden = hidden ，而应使用CSS： style = display：none; 。
Don't use hidden="hidden", use CSS instead: style="display: none;".
以下代码对我有用：
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="STYLESHEET" type="text/css" href="dba_style/buttons.css" />
<title>Untitled Document</title>
</head>
<script type="text/javascript">
function do_change(){
document.getElementById("save").style.display = "block";
document.getElementById("change").style.display = "block";
document.getElementById("cancel").style.display = "block";
}
</script>
<body>
<form name="form1" method="post" action="">
<div class="buttons">
<button type="button" class="regular" name="edit" id="edit" onclick="do_change(); return false;">
<img src="dba_images/textfield_key.png" alt=""/>
Edit
</button>
<button type="submit" class="positive" name="save" id="save" style="display:none;">
<img src="dba_images/apply2.png" alt=""/>
Save
</button>
<button class="regular" name="change" id="change" style="display:none;">
<img src="dba_images/textfield_key.png" alt=""/>
change
</button>
<button class="negative" name="cancel" id="cancel" style="display:none;">
<img src="dba_images/cross.png" alt=""/>
Cancel
</button>
</div>
</form>
</body>
</html>
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