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In jQuery: contains selector usage example, jquerycontains
This example describes the contains selector usage in jQuery. Share it with you for your reference. The specific analysis is as follows:
This selector matches the elements that contain the given text.
Syntax:
Copy codeThe Code is as follows: $ (": contains (text )")
This selector should also be used with other selectors, such as class selector and element selector. For example:
Copy codeThe Code is as follows: $ ("li: contains ('html')" ).css ("color", "blue ")
The above Code sets the font color in the li element containing "html" to blue.
If it is not used with other selectors, the default state is used with the * selector. For example, $ (": contains") is equivalent to $ ("*: contains ").
Parameter List:
| Parameters | Description |
| Text | A string to be searched. |
Instance code:
Instance 1:
Copy codeThe Code is as follows:
<! DOCTYPE html>
<Html>
<Head>
<Meta charset = "UTF-8">
<Meta name = "author" content = "http://www.bkjia.com/"/>
<Title> helping customers </title>
<Script type = "text/javascript" src = "mytest/jQuery/jquery-1.8.3.js"> </script>
<Script type = "text/javascript">
$ (Document). ready (function (){
$ ("Button"). click (function (){
$ ("Li: contains ('html')" ).css ("color", "blue ")
})
})
</Script>
</Head>
<Body>
<Ul>
<Li> html zone </li>
<Li> div + css area </li>
<Li> Jquery area </li>
<Li> Javascript area </li>
<Li> html5 area </li>
</Ul>
<Button> click to view results </button>
</Body>
</Html>
The above Code sets the text color in the li element containing "html" to blue.
Example 2:
Copy codeThe Code is as follows:
<! DOCTYPE html>
<Html>
<Head>
<Meta charset = "UTF-8">
<Meta name = "author" content = "http://www.bkjia.com/"/>
<Title> helping customers </title>
<Script type = "text/javascript" src = "mytest/jQuery/jquery-1.8.3.js"> </script>
<Script type = "text/javascript">
$ (Document). ready (function (){
$ ("Button"). click (function (){
$ ("*: Contains ('html')" ).css ("border", "1px solid red ")
})
})
</Script>
</Head>
<Body>
<Ul>
<Li> html zone </li>
<Li> div + css area </li>
<Li> Jquery area </li>
<Li> Javascript area </li>
<Li> html5 area </li>
</Ul>
<Div> helper's house </div>
<Button> click to view results </button>
</Body>
</Html>
Because the above Code does not specify the selector used in combination with the: even selector, it is used with the * selector by default.
I hope this article will help you with jQuery programming.
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