更改jQuery UI的手風琴活躍頭的顏色，顏色1和其他人我使用jQuery UI手風琴COLOR2

Question

，

我想更改選定標題的背景色顏色1和別人COLOR2 。例如，如果選擇第1部分，則第1部分的顏色爲藍色，而其他部分爲灰色。但是當我選擇第2部分時，第1部分的顏色變爲灰色，第1部分的顏色變爲藍色。

請幫忙嗎？

$("#accordion").accordion();

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> 
 
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.min.js"></script> 
 
<link href="https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css" rel="stylesheet"/> 
 
    
 
<div id="accordion"> 
 
    <h3>Section 1</h3> 
 
    <div> 
 
    <p> 
 
    Mauris mauris ante, blandit et, ultrices a, suscipit eget, quam. Integer 
 
    ut neque. Vivamus nisi metus, molestie vel, gravida in, condimentum sit 
 
    amet, nunc. Nam a nibh. Donec suscipit eros. Nam mi. Proin viverra leo ut 
 
    odio. Curabitur malesuada. Vestibulum a velit eu ante scelerisque vulputate. 
 
    </p> 
 
    </div> 
 
    <h3>Section 2</h3> 
 
    <div> 
 
    <p> 
 
    Sed non urna. Donec et ante. Phasellus eu ligula. Vestibulum sit amet 
 
    purus. Vivamus hendrerit, dolor at aliquet laoreet, mauris turpis porttitor 
 
    velit, faucibus interdum tellus libero ac justo. Vivamus non quam. In 
 
    suscipit faucibus urna. 
 
    </p> 
 
    </div> 
 
    <h3>Section 3</h3> 
 
    <div> 
 
    <p> 
 
    Nam enim risus, molestie et, porta ac, aliquam ac, risus. Quisque lobortis. 
 
    Phasellus pellentesque purus in massa. Aenean in pede. Phasellus ac libero 
 
    ac tellus pellentesque semper. Sed ac felis. Sed commodo, magna quis 
 
    lacinia ornare, quam ante aliquam nisi, eu iaculis leo purus venenatis dui. 
 
    </p> 
 
    <ul> 
 
     <li>List item one</li> 
 
     <li>List item two</li> 
 
     <li>List item three</li> 
 
    </ul> 
 
    </div> 
 
    <h3>Section 4</h3> 
 
    <div> 
 
    <p> 
 
    Cras dictum. Pellentesque habitant morbi tristique senectus et netus 
 
    et malesuada fames ac turpis egestas. Vestibulum ante ipsum primis in 
 
    faucibus orci luctus et ultrices posuere cubilia Curae; Aenean lacinia 
 
    mauris vel est. 
 
    </p> 
 
    <p> 
 
    Suspendisse eu nisl. Nullam ut libero. Integer dignissim consequat lectus. 
 
    Class aptent taciti sociosqu ad litora torquent per conubia nostra, per 
 
    inceptos himenaeos. 
 
    </p> 
 
    </div> 
 
</div>

Answer 1

使用類選項覆蓋缺省類。

<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css"> 
 
<style> 
 
    .color1{ 
 
    background-color: gray 
 
    } 
 
    .color2 { 
 
    background-color: blue 
 
    } 
 
</style> 
 
<script src="https://code.jquery.com/jquery-1.12.4.js"></script> 
 
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script> 
 
<script> 
 
    $(function() { 
 
    $("#accordion").accordion({ 
 
     classes: { 
 
     "ui-accordion-header": "color1", 
 
     "ui-accordion-header-active": "color2" 
 
     } 
 
    }); 
 
    }); 
 
</script> 
 
<div id="accordion"> 
 

 
    <h2>section 1</h2> 
 
    <div> 
 
    content 1 
 
    </div> 
 

 
    <h2>section 2</h2> 
 
    <div> 
 
    content 2 
 
    </div> 
 

 
</div>

Answer 2

$("#accordion").accordion({ 
 
    activate: function(event, ui) { 
 
    // You can do it here as well, it depends WHEN you want to do it. 
 
    }, 
 
    beforeActivate: function (event, ui) { 
 
    
 
    if(ui.newPanel.attr('id') == 'ui-id-4'){ 
 
     ui.newPanel.addClass('greeny'); 
 
    } 
 
    if(ui.newPanel.attr('id') == 'ui-id-6'){ 
 
     ui.newPanel.addClass('bluey'); 
 
    } 
 
    
 
    } 
 
});

.greeny{ 
 
background-color: green !important; 
 
} 
 
.bluey{ 
 
background-color: blue !important; 
 
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> 
 
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.min.js"></script> 
 
<link href="https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css" rel="stylesheet"/> 
 
    
 
<div id="accordion"> 
 
    <h3>Section 1</h3> 
 
    <div> 
 
    <p> 
 
    Mauris mauris ante, blandit et, ultrices a, suscipit eget, quam. Integer 
 
    ut neque. Vivamus nisi metus, molestie vel, gravida in, condimentum sit 
 
    amet, nunc. Nam a nibh. Donec suscipit eros. Nam mi. Proin viverra leo ut 
 
    odio. Curabitur malesuada. Vestibulum a velit eu ante scelerisque vulputate. 
 
    </p> 
 
    </div> 
 
    <h3>Section 2</h3> 
 
    <div> 
 
    <p> 
 
    Sed non urna. Donec et ante. Phasellus eu ligula. Vestibulum sit amet 
 
    purus. Vivamus hendrerit, dolor at aliquet laoreet, mauris turpis porttitor 
 
    velit, faucibus interdum tellus libero ac justo. Vivamus non quam. In 
 
    suscipit faucibus urna. 
 
    </p> 
 
    </div> 
 
    <h3>Section 3</h3> 
 
    <div> 
 
    <p> 
 
    Nam enim risus, molestie et, porta ac, aliquam ac, risus. Quisque lobortis. 
 
    Phasellus pellentesque purus in massa. Aenean in pede. Phasellus ac libero 
 
    ac tellus pellentesque semper. Sed ac felis. Sed commodo, magna quis 
 
    lacinia ornare, quam ante aliquam nisi, eu iaculis leo purus venenatis dui. 
 
    </p> 
 
    <ul> 
 
     <li>List item one</li> 
 
     <li>List item two</li> 
 
     <li>List item three</li> 
 
    </ul> 
 
    </div> 
 
    <h3>Section 4</h3> 
 
    <div> 
 
    <p> 
 
    Cras dictum. Pellentesque habitant morbi tristique senectus et netus 
 
    et malesuada fames ac turpis egestas. Vestibulum ante ipsum primis in 
 
    faucibus orci luctus et ultrices posuere cubilia Curae; Aenean lacinia 
 
    mauris vel est. 
 
    </p> 
 
    <p> 
 
    Suspendisse eu nisl. Nullam ut libero. Integer dignissim consequat lectus. 
 
    Class aptent taciti sociosqu ad litora torquent per conubia nostra, per 
 
    inceptos himenaeos. 
 
    </p> 
 
    </div> 
 
</div>