http://wbex.ru/index.php?action=history&feed=atom&title=JavaScript_DHTML%2FjQuery%2Fparents
JavaScript DHTML/jQuery/parents - История изменений
2026-04-04T12:03:10Z
История изменений этой страницы в вики
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http://wbex.ru/index.php?title=JavaScript_DHTML/jQuery/parents&diff=2822&oldid=prev
в 10:02, 26 мая 2010
2010-05-26T10:02:45Z
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<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 10:02, 26 мая 2010</td>
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http://wbex.ru/index.php?title=JavaScript_DHTML/jQuery/parents&diff=2823&oldid=prev
Admin: 1 версия
2010-05-26T07:23:52Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Click to find all unique div parent elements of each span.==<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<html><br />
<head><br />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script><br />
<script type="text/javascript"><br />
$(document).ready(function(){<br />
function showParents() {<br />
<br />
var len = $("span")<br />
.parents("div")<br />
.css("border", "2px red solid")<br />
.length;<br />
$("b").text("Unique div parents: " + len);<br />
}<br />
$("span").click(function () {<br />
<br />
showParents();<br />
});<br />
});<br />
</script><br />
<style><br />
.selected { color:blue; }<br />
<br />
</style><br />
<br />
</head><br />
<body><br />
<body><br />
<div><br />
<div><span>span</span></div><br />
<span>span</span><br />
</div><br />
<div><br />
<span>span</span><br />
</div><br />
<b></b><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Get DIV parent count==<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<html><br />
<head><br />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script><br />
<script type="text/javascript"><br />
$(document).ready(function(){<br />
$("span").click(function () {<br />
var len = $("span").parents("div").length;<br />
alert(len);<br />
});<br />
});<br />
</script><br />
</head><br />
<body><br />
<body><br />
<div><br />
<div><span>Hello</span></div><br />
</div><br />
</body><br />
</html><br />
<br />
<br />
<br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Get form input parent==<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<br />
<html><br />
<head><br />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script><br />
<script type="text/javascript"><br />
$(document).ready(function(){<br />
var input = $(":submit").parent().css({background:"yellow", border:"3px red solid"});<br />
<br />
$("#result").text("jQuery matched " + input.length + " elements.");<br />
<br />
});<br />
</script><br />
</head><br />
<body><br />
<form><input type="submit" /></form><br />
<div id="result"></div><br />
<br />
</body><br />
</html><br />
<br />
<br />
<br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Get parents==<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<html><br />
<head><br />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script><br />
<script type="text/javascript"><br />
$(document).ready(function(){<br />
var parentEls = $("span").parents()<br />
.map(function () { <br />
return this.tagName; <br />
})<br />
.get().join(", ");<br />
$("span").append(parentEls);<br />
});<br />
</script><br />
</head><br />
<body><br />
<body><br />
<div><br />
<p><br />
<span><br />
</span><br />
</p><br />
</div><br />
</body><br />
</html><br />
<br />
<br />
<br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Get parent with certain class==<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<html><br />
<head><br />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script><br />
<script type="text/javascript"><br />
$(document).ready(function(){<br />
$("p").parent(".selected").css("background", "yellow");<br />
});<br />
</script><br />
<style><br />
.y { background:yellow; }<br />
</style><br />
</head><br />
<body><br />
<body><br />
<div><span class="selected">asdf</p></span><br />
<span>asdf</span><br />
</div><br />
</body><br />
</html><br />
<br />
<br />
<br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==parent(expr): filter the set of parent elements==<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<html><br />
<head><br />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script><br />
<script type="text/javascript"><br />
$(document).ready(function(){<br />
$("*", document.body).each(function () {<br />
var parentTag = $(this).parent().get(0).tagName;<br />
$(this).prepend(document.createTextNode(parentTag + " > "));<br />
});<br />
<br />
});<br />
</script><br />
</head><br />
<body><br />
<body><br />
<br />
<p>p</p><br />
<div>div</div><br />
<br />
<p>p</p><br />
<p>p</p><br />
<div>div</div><br />
<p>p</p><br />
<div>div</div><br />
<br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==parents(expr) gets elements containing the unique ancestors==<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<html><br />
<head><br />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script><br />
<script type="text/javascript"><br />
$(document).ready(function(){<br />
var parentEls = $("p").parents()<br />
.map(function () { <br />
return this.tagName; <br />
})<br />
.get().join(", ");<br />
$("p").append("<strong>" + parentEls + "</strong>");<br />
});<br />
</script><br />
</head><br />
<body><br />
<body><br />
<div><p>Hello</p></div><br />
<div class="selected"><p>Hello Again</p></div><br />
<br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Returns true, because the parent of the input is a form element==<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<html><br />
<head><br />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script><br />
<script type="text/javascript"><br />
$(document).ready(function(){<br />
alert( $(":checkbox").parent().is("form"));<br />
<br />
});<br />
</script><br />
</head><br />
<body><br />
<body><br />
<form><input type="checkbox" /></form><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Shows the parent of each element as (parent > child). Check the View Source to see the raw html.==<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<html><br />
<head><br />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script><br />
<script type="text/javascript"><br />
$(document).ready(function(){<br />
$("*", document.body).each(function () {<br />
var parentTag = $(this).parent().get(0).tagName;<br />
$(this).prepend(document.createTextNode(parentTag + " > "));<br />
});<br />
<br />
});<br />
</script><br />
</head><br />
<body><br />
<body><br />
<br />
<p>p</p><br />
<div>div</div><br />
<br />
<p>p</p><br />
<p>p</p><br />
<div>div</div><br />
<p>p</p><br />
<div>div</div><br />
<br />
</body><br />
</html><br />
<br />
</source></div>
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