jquery uses element attribute attr assignment detailed _jquery

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1.$ ("Element"). attr (name) gets the first matching property value, such as $ ("img"). attr ("src")
2.$ ("element". attr (Key,value)) ' One element set properties
3.$ ("Element". attr ({key:value,key1:value,....})) ' Set multiple attributes at once for an element
4.$ ("Element"). attr (key,function) ' Sets a calculated property value for all matching elements.
5.$ ("Element"). Removeattr (name)//Remove a property

JQuery Code:

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$ ("img"). attr ("src");

Parameter Properties Description:

Set SRC and ALT attributes for all images.

JQuery Code:

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$ ("img"). attr ({src: "test.jpg", alt: "Test Image"});

Parameter Key,value Description:

Set the SRC attribute for all images.

JQuery Code:

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$ ("img"). attr ("src", "test.jpg");

Parameter key, description of the callback function:

Sets the value of the SRC attribute to the value of the title property.

JQuery Code:

Copy Code code as follows:

$ ("img"). attr ("title", function () {return this.src});

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