JavaScript 參考手冊(cè)
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HTML DOM Anchor 對(duì)象
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HTML DOM Area 對(duì)象
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HTML DOM Audio 對(duì)象
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HTML DOM Base 對(duì)象
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HTML DOM Blockquote 對(duì)象
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HTML DOM Body 對(duì)象
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HTML DOM Button 對(duì)象
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HTML DOM Canvas 對(duì)象
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HTML DOM Column 對(duì)象
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HTML DOM Columngroup 對(duì)象
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HTML DOM Datalist 對(duì)象
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HTML DOM Dialog 對(duì)象
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HTML DOM Form 對(duì)象
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HTML DOM Frame 和 IFrame 對(duì)象
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HTML DOM Frameset 對(duì)象
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HTML DOM Image 對(duì)象
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HTML DOM ins 對(duì)象
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HTML DOM Button 對(duì)象
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HTML DOM Checkbox 對(duì)象
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HTML DOM Input Color 對(duì)象
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HTML DOM Input Date 對(duì)象
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HTML DOM Input Datetime 對(duì)象
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HTML DOM Input DatetimeLocal 對(duì)象
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HTML DOM Input Email 對(duì)象
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HTML DOM FileUpload 對(duì)象
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HTML DOM Hidden 對(duì)象
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HTML DOM Input Image 對(duì)象
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HTML DOM Input Month 對(duì)象
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HTML DOM Input Number 對(duì)象
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HTML DOM Input Range 對(duì)象
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HTML DOM Password 對(duì)象
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HTML DOM Radio 對(duì)象
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HTML DOM Reset 對(duì)象
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HTML DOM Input Search 對(duì)象
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HTML DOM Submit 對(duì)象
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HTML DOM Input Text 對(duì)象
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HTML DOM Input Time 對(duì)象
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HTML DOM Input URL 對(duì)象
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HTML DOM Input Week 對(duì)象
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HTML DOM Keygen 對(duì)象
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HTML DOM Link 對(duì)象
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HTML DOM Label 對(duì)象
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HTML DOM Legend 對(duì)象
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HTML DOM Li 對(duì)象
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HTML DOM Map 對(duì)象
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HTML DOM Menu 對(duì)象
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HTML DOM MenuItem 對(duì)象
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HTML DOM Meta 對(duì)象
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HTML DOM Meter 對(duì)象
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HTML DOM Object 對(duì)象
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HTML DOM Ol 對(duì)象
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HTML DOM OptionGroup 對(duì)象
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HTML DOM Option 對(duì)象
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HTML DOM Parameter 對(duì)象
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HTML DOM Progress 對(duì)象
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HTML DOM Select 對(duì)象
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HTML DOM Source 對(duì)象
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HTML DOM Style 對(duì)象
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HTML DOM Table 對(duì)象
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HTML DOM td/th 對(duì)象
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HTML DOM TableHeader 對(duì)象
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HTML DOM tr 對(duì)象
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HTML DOM Textarea 對(duì)象
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HTML DOM Title 對(duì)象
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HTML DOM Time 對(duì)象
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HTML DOM Track 對(duì)象
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HTML DOM Video 對(duì)象
ctrlKey 事件屬性
事件對(duì)象定義和用法
ctrlKey 事件屬性可返回一個(gè)布爾值，指示當(dāng)事件發(fā)生時(shí)，Ctrl 鍵是否被按下并保持住。
語(yǔ)法
event.ctrlKey=true|false|1|0
實(shí)例
實(shí)例
下面的例子可提示當(dāng)鼠標(biāo)按鍵被點(diǎn)擊時(shí) "CTRL" 鍵是否被按?。?/p>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>小白教程(json.cn)</title>
<script>
function isKeyPressed(event){
????if (event.ctrlKey==1){
????????alert("CTRL鍵被按下!");
????}else{
????????alert("CTRL鍵沒(méi)被按下!");
????}
}
</script>
</head>
<body onmousedown="isKeyPressed(event)">
<p>單擊文檔中的某個(gè)地方。一個(gè)警告框會(huì)告訴你你是否按下CTRL鍵。</p>
</body>
</html>
<html>
<head>
<meta charset="utf-8">
<title>小白教程(json.cn)</title>
<script>
function isKeyPressed(event){
????if (event.ctrlKey==1){
????????alert("CTRL鍵被按下!");
????}else{
????????alert("CTRL鍵沒(méi)被按下!");
????}
}
</script>
</head>
<body onmousedown="isKeyPressed(event)">
<p>單擊文檔中的某個(gè)地方。一個(gè)警告框會(huì)告訴你你是否按下CTRL鍵。</p>
</body>
</html>
運(yùn)行代碼 ?
事件對(duì)象其他擴(kuò)展