Learn attribute selectors in jQuery: examples and usage analysis
Feb 27, 2024 am 10:48 AMLearn the attribute selector in jQuery: examples and usage analysis
In front-end development, jQuery is a widely used JavaScript library that can simplify page operations, Code writing for event handling, animation effects, etc. Among them, the attribute selector is an important method in jQuery, which can filter and operate based on the attribute value of the element. This article will introduce the examples and usage of attribute selectors in jQuery, and provide specific code examples.
1. Basic syntax
The attribute selector uses the syntax [attribute=value]
in jQuery, where attribute
is the attribute name of the element , value
is the attribute value to be matched. In addition, different matching methods can be achieved through different operators, including "equal to", "not equal to", "contains", etc.
2. Example and usage analysis
2.1 Simple attribute selector
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In the above example, through the attribute selector[title="example" ]
Select the element whose title attribute is example, and then change its text color to red.
2.2 Not equal to selector
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In the above case, select the element whose title attribute is not equal to example, and set its text color to blue.
2.3 Containing selector
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In this case, the element containing example in the title attribute value is selected by including the selector [title*="example"]
And set its text to bold.
Conclusion
Through the examples and usage analysis in this article, we understand the basic syntax and common usage of attribute selectors in jQuery. Attribute selectors can help us select elements on the page more accurately and achieve more flexible interaction effects. I hope that readers can become more proficient in using the attribute selector in jQuery and improve the efficiency of front-end development by studying this article.
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