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Jquey Review (2)

Source: Internet
Author: User
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<! DOCTYPE html PUBLIC "-// W3C // dtd html 4.01 Transitional // EN" "http://www.w3.org/TR/html4/loose.dtd">
<Html>
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8">
<Title> </title>
<Script type = "text/javascript" src = "lib/jquery-1.5.2.js"> </script>
<Style type = "text/css">
. Red {
Background-color: red;
}

. Green {
Background: green;
}
</Style>

<Script type = "text/javascript">
$ (Function (){
// All child elements under the pre element.
// $ ("Form input") select [<input name = "name"/>, <input name = "newsletter"/>]
/*
$ ("Form input"). hover (function (){
$ (This). addClass ("green ");
}, Function (){
$ (This). removeClass ("green ");
});
*/
// Subelement under the pre element.
// [<Input name = "name"/>]
/*
$ ("Form> input"). hover (function (){
$ (This). addClass ("green ");
}, Function (){
$ (This). removeClass ("green ");
});
*/

// The next element after the pre element. Pre and next
// [<Input name = "name"/>, <input name = "newsletter"/>]
/* $ ("Label + input"). hover (function (){
$ (This). addClass ("green ");
}, Function (){
$ (This). removeClass ("green ");
});
*/

// [<Input name = "none"/>]
// All the sibings elements after the prev Element
// Different from next, siblings returns a set of all peer elements. Next, only one.
/*
$ ("Form ~ Input "). hover (function (){
$ (This). addClass ("green ");
}, Function (){
$ (This). removeClass ("green ");
});
*/

// This is the next method. Only one of them is selected.
$ ("Form + input"). hover (function (){
$ (This). addClass ("green ");
}, Function (){
$ (This). removeClass ("green ");
});

});
</Script>
</Head>
<Body>
<Form>
<Label> Name: </label> <input name = "name"/>
<Fieldset>
<Label> Newsletter: </label> <input name = "newsletter"/>
</Fieldset>
</Form>
<Input name = "none"/>
<Input name = "second"/>
</Body>
</Html>
<! DOCTYPE html PUBLIC "-// W3C // dtd html 4.01 Transitional // EN" "http://www.w3.org/TR/html4/loose.dtd">
<Html>
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8">
<Title> </title>
<Script type = "text/javascript" src = "lib/jquery-1.5.2.js"> </script>
<Style type = "text/css">
. Red {
Background-color: red;
}

. Green {
Background: green;
}
</Style>

<Script type = "text/javascript">
$ (Function (){

// Match the first element found
// [<Tr> <td> Header 1 </td> </tr>]
/*
$ ("Tr: first"). hover (function (){
$ (This). addClass ("green ");
}, Function (){
$ (This). removeClass ("green ");
});
*/
// Match the last element found
// [<Tr> <td> Value 2 </td> </tr>]
/*
$ ("Tr: last"). hover (function (){
$ (This). addClass ("green ");
}, Function (){
$ (This). removeClass ("green ");
});
*/
// Only the input that can be checked has: checked
/*
$ ("Input: not (: checked)"). hover (function (){
$ (This). addClass ("green ");
}, Function (){
$ (This). removeClass ("green ");
});
*/
// Even number of elements, counted from 0
/*
$ ("Tr: even"). hover (function (){
$ (This). addClass ("green ");
}, Function (){
$ (This). removeClass ("green ");
});*/
// An odd number of elements, counted from 0.
/*
$ ("Tr: odd"). hover (function (){
$ (This). addClas

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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