How jquery modifies parent node properties
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Modify the parent node attributes of the method: 1, use parent () to get the specified element's parent node object, syntax "$(specified element). Parent ()"; 2, use attr () to modify the specified attributes of the parent node object, syntax "parent node object .attr ({" attribute name ":" value "," attribute name ":" value ",...})".
The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.
The method of modifying parent Node attribute by jquery
It needs to be divided into two steps:
Gets the parent node object of the specified element
Modify the attributes of the selected element
The following is a specific introduction.
1. Use the parent () method to get the parent node object
The parent () method returns the direct parent of the selected element.
$(specified element) .parent (filter)
2. Use the attr () method to modify the specified properties of the parent node object.
The attr () method sets the properties and values of the selected element.
Parent node object .attr ({"attribute name": "attribute value", "attribute name": "attribute value",.})
Example: modify the id attribute of the parent node
.siblings, .siblings * {display: block; border: 2px solid lightgrey; color: lightgrey; padding: 5px; margin: 15px } # border {border: 2px solid pink } $(document) .ready (function () {$("h3") .css ("border") "2px solid red") $("button") .click (function () {$("h3"). Parent (). Attr ({"id": "border"})) }); div (parent)
P (sibling element)
Span (sibling) h3 (this element) h4 (sibling)
P (sibling element)
Modify the id attribute of the parent node
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