From jQuery JavaScript Library
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parents( [expr] )
Get a set of elements containing the unique ancestors of the matched set of elements (except for the root element).
The matched elements can be filtered with an optional expression.
Arguments:| expr (Optional) | String | |
|---|
| An expression to filter the ancestors with |
Examples:| Name | Type |
|---|
Find all parent elements of each span.
var parentEls = $("b").parents()
.map(function () {
return this.tagName;
})
.get().join(", ");
$("b").append("<strong>" + parentEls + "</strong>");
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script src="../jquery-latest.js"></script>
<script>
$(document).ready(function(){
var parentEls = $("b").parents()
.map(function () {
return this.tagName;
})
.get().join(", ");
$("b").append("<strong>" + parentEls + "</strong>");
});
</script>
<style>
b { color:blue; }
strong { color:red; }
</style>
</head>
<body>
<div>
<p>
<span>
<b>My parents are: </b>
</span>
</p>
</div>
</body>
</html>
Click to find all unique div parent elements of each span.
function showParents() {
$("div").css("border-color", "white");
var len = $("span.selected")
.parents("div")
.css("border", "2px red solid")
.length;
$("b").text("Unique div parents: " + len);
}
$("span").click(function () {
$(this).toggleClass("selected");
showParents();
});
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script src="../jquery-latest.js"></script>
<script>
$(document).ready(function(){
function showParents() {
$("div").css("border-color", "white");
var len = $("span.selected")
.parents("div")
.css("border", "2px red solid")
.length;
$("b").text("Unique div parents: " + len);
}
$("span").click(function () {
$(this).toggleClass("selected");
showParents();
});
});
</script>
<style>
p, div, span {margin:2px; padding:1px; }
div { border:2px white solid; }
span { cursor:pointer; font-size:12px; }
.selected { color:blue; }
b { color:red; display:block; font-size:14px; }
</style>
</head>
<body>
<p>
<div>
<div><span>Hello</span></div>
<span>Hello Again</span>
</div>
<div>
<span>And Hello Again</span>
</div>
</p>
<b>Click Hellos to toggle their parents.</b>
</body>
</html>