Example
Set the width attribute of an image:
$("button").click(function(){ $("img").attr("width","150"); }); |
Try it yourself »
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Definition and Usage
The attr() method sets or returns attribute values of selected elements.
This method works differently depending on the parameters.
Return Attribute Value
Return the value of an attribute for the selected element.
Syntax
Parameter |
Description |
attribute |
Specifies the attribute to get the value of |
Set Attribute/Value
Set the attribute and value of the selected elements.
Syntax
Parameter |
Description |
attribute |
Specifies the name of the attribute |
value |
Specifies the value of the attribute |
Set Attribute/Value Using a Function
Using a function to set the attribute value for the selected elements.
Syntax
Parameter |
Description |
attribute |
Specifies the name of the attribute |
function(index,oldvalue) |
Specifies a function that returns the attribute value to
set.
- index - Optional. Receives the index position of the selector
- oldvalue - Optional. Receives the current attribute value of
the selector
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Set Multiple Attribute/Value Pairs
Set one or more attributes and values for the selected elements.
Syntax
Parameter |
Description |
{attribute:value, attribute:value, ...} |
Specifies one or more attribute/value pairs |