How jquery modifies title values
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Jquery modify title value method: 1, using text (), you can modify the title tag value, syntax "$(" title "). Text (" new value ");"; 2, using attr (), you can modify the title attribute value, syntax "element .attr (" title "," new value ");".
The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.
In HTML, there are two types of title values:
Content value of the title tag
The property value of the title attribute
So how to use jquery to modify these two title values, let's introduce it to you.
1. Jquery modifies the title tag value
Tags define the title of the document and are required in all HTML documents.
Elements:
Define the title in the browser toolbar
Provide the title when the page is added to favorites
The page title displayed in the search engine results
You can use the text () method to modify the value of the title tag. The text () method returns the text content of the selected element.
Example:
The old title of the document $(document) .ready (function () {$("button") .click (function () {$("title") .ready ("New document title") });}); modify the title document title
2. Jquery modifies the value of title attribute
The title attribute specifies additional information about the element.
This information usually displays a tooltip text (tooltip text) when you mouse over the element.
You can use the attr () method to modify the value of the title property, which sets the value of the specified attribute of the selected element.
$(document) .ready (function () {$("button") .click (function () {$("div"). Attr ("title", "new title value");}) This is a test text.
Modify the title attribute of an element
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