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jquery Star rating Implementation code

Source: Internet
Author: User
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Many sites have similar effects, and the principle of implementation is simple.

Html

The code is as follows Copy Code

<span class= "P_rate" id= "P_rate" >
<i title= "1 points" ></i>
<i title= "2 points" ></i>
<i title= "3 points" ></i>
<i title= "4 points" ></i>
<i title= "5 points" ></i>
</span>

Css

The code is as follows Copy Code
. P_rate{height:14px;position:relative;width:80px;overflow:hidden;display:inline-block;background:url (http:// www.nolure.com/wp-content/uploads/2011/12/rate.png) Repeat-x}
. P_rate I{position:absolute;top:0;left:0;cursor:pointer;height:14px;width:16px;background:url (http:// www.nolure.com/wp-content/uploads/2011/12/rate.png) Repeat-x 0-500px}
. p_rate. select{background-position:0 -32px}
. p_rate. hover{background-position:0 -16px}

Javascript

The code is as follows Copy Code
/*
* General scoring component
* Callback the callback after scoring
* this. Index: Get the currently selected value
*/
var prate = function (box,callback) {
This. Index = null;
var B = $ ("#" +box),
Rate = B.children ("i"),
W = rate.width (),
n = rate.length,
me = this;
for (Var i=0;i<n;i++) {
Rate.eq (i). CSS ({
' Width ': w* (i+1),
' Z-index ': n-i
});
}
Rate.hover (function () {
var S = B.children ("I.select");
$ (this). addclass ("hover"). Siblings (). Removeclass ("hover");
if ($ (this). Index () >s.index ()) {
S.addclass ("hover");
}
},function () {
Rate.removeclass ("hover");
})
Rate.click (function () {
Rate.removeclass ("select hover");
$ (this). addclass ("select");
Me. Index = $ (this). Index () + 1;
if (callBack) {callBack ();}
})
}

Full instance

The code is as follows Copy Code

<! DOCTYPE html>
<meta charset= "Utf-8" >
<title>jquery star rating Component-nolure Blog, front-end development professional blog, front-end Learning Resource sharing </title>
<meta name= "description" content= "jquery implementation of the site star Comment scoring component"/>
<meta name= "keywords" content= "nolure, front-end development, jquery, scoring components"/>
<script src= "Http://lib.sinaapp.com/js/jquery/1.7/jquery.min.js" ></script>
<link rel= "stylesheet" href= "Http://www.nolure.com/p/css/base.css"/>
<script>
/*
* General scoring component
* Callback the callback after scoring
* this. Index: Get the currently selected value
*/
var prate = function (box,callback) {
This. Index = null;
var B = $ ("#" +box),
Rate = B.children ("i"),
W = rate.width (),
n = rate.length,
me = this;
for (Var i=0;i<n;i++) {
Rate.eq (i). CSS ({
' Width ': w* (i+1),
' Z-index ': n-i
});
}
Rate.hover (function () {
var S = B.children ("I.select");
$ (this). addclass ("hover"). Siblings (). Removeclass ("hover");
if ($ (this). Index () >s.index ()) {
S.addclass ("hover");
}
},function () {
Rate.removeclass ("hover");
})
Rate.click (function () {
Rate.removeclass ("select hover");
$ (this). addclass ("select");
Me. Index = $ (this). Index () + 1;
if (callBack) {callBack ();}
})
}
</script>
<style type= "Text/css" >
H1{font:26px/3 ' Microsoft Yahei ', ' Simhei '; color: #000; text-indent:2em;text-shadow:1px 1px 2px #ccc}
. P_rate{height:14px;position:relative;width:80px;overflow:hidden;display:inline-block;background:url (http:// www.nolure.com/wp-content/uploads/2011/12/rate.png) repeat-x;margin:40px 100px}
. P_rate I{position:absolute;top:0;left:0;cursor:pointer;height:14px;width:16px;background:url (http:// www.nolure.com/wp-content/uploads/2011/12/rate.png) Repeat-x 0-500px}
. p_rate. select{background-position:0 -32px}
. p_rate. hover{background-position:0 -16px}
</style>
<body>
<span class= "P_rate" id= "P_rate" >
<i title= "1 points" ></i>
<i title= "2 points" ></i>
<i title= "3 points" ></i>
<i title= "4 points" ></i>
<i title= "5 points" ></i>
</span>
<script>
var Rate = new Prate ("P_rate", function () {
Alert (rate.index+ ' min ')
});
</script>


</body>

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Related Keywords:
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