2017-05-26 154 views
2

我有以下图标,我想单击时更改它们中的每一个,并在单击另一图像后将图像更改为原始图像。我如何使用jQuery来做到这一点?如何在点击图片时更改图片?

<ul> 
    <li><a class="button" id="mobile-icon" href="#"><img src="images/mobile-icon.png" class="defaultimg"></a><h4>Mobile</h4></li> 
    <li><a class="button" id="music-icon" href="#" ><img src="images/music-icon.png" class="defaultimg"></a><h4>Music</h4></li> 
    <li><a class="button" id="camera-icon" href="#" ><img src="images/camera-icon.png" class="defaultimg"></a><h4>Camera</h4></li> 
    <li><a class="button" id="computers-icon" href="#" ><img src="images/computers-icon.png" class="defaultimg"></a><h4>Computers</h4></li> 
</ul> 

我只编写jquery到这个目标..我被卡住了。请帮助..

$(document).ready(function() { 
    $('.button').click(function(){ 
     $('.clicked').removeClass("clicked") 
     $(this).addClass("clicked") 
     if ($(".button").hasClass("clicked")) { 
      var id = $(this).find('img'); 
      var idToSRC = 'images/'+ this.id + '_hover' +'.png'; 
      id.attr('src', idToSRC); 
     }else if($(".button").not("clicked")){ 
      id.removeAttr('src', idToSRC); 
     } 
    }); 

回答

2

改变你的代码如下图所示: -

$(document).ready(function() { 
    $('.button').click(function(){ 
     var myid = $(this); 
     $('.clicked').removeClass("clicked") 
     myid.addClass("clicked") 
     var idToSRC = 'images/'+ this.id + '_hover' +'.png'; 
     myid.find('img').attr('src', idToSRC); 
     $('.button').not(myid).each(function(){ 
     $(this).find('img').attr('src', 'images/'+ this.id +'.png'); 
     }); 
    }); 
});//missed 

工作例如: -

$(document).ready(function() {// when document is ready 
 
    $('.button').click(function(){ // when i click on a link 
 
     var myid = $(this); // create an object variable 
 
     $('.clicked').removeClass("clicked") //remove clicked class from all links 
 
     myid.addClass("clicked") //add clicked class to current clicked link 
 
     var idToSRC = 'images/'+ this.id + '_hover' +'.png'; //create new image path 
 
     myid.find('img').attr('src', idToSRC); // change image path of current clicked link 
 
     $('.button').not(myid).each(function(){ //for each other links except the current clicked link (not(myid) is doing that job to leave current clicked link) 
 
     $(this).find('img').attr('src', 'images/'+ this.id +'.png'); //change images to orignal-one 
 
     }); 
 
    }); 
 
});// you missed this in your code
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> 
 
<ul> 
 
    <li><a class="button" id="mobile-icon" href="#"><img src="images/mobile-icon.png" class="defaultimg"></a><h4>Mobile</h4></li> 
 
    <li><a class="button" id="music-icon" href="#" ><img src="images/music-icon.png" class="defaultimg"></a><h4>Music</h4></li> 
 
    <li><a class="button" id="camera-icon" href="#" ><img src="images/camera-icon.png" class="defaultimg"></a><h4>Camera</h4></li> 
 
    <li><a class="button" id="computers-icon" href="#" ><img src="images/computers-icon.png" class="defaultimg"></a><h4>Computers</h4></li> 
 
</ul>

+1

嗨对不起,我认为我错误地写了我的问题,如何将图像更改为其原始后,另一个图像被点击? – Untitled

+1

谢谢!你能解释代码功能吗? – Untitled

+1

@无题在评论中新增了解释 –

2

您按钮click一直没有接近好像有些语法错误代码的总体工作正常,请在下面找到片断脱颖而出的详细信息。

$(document).ready(function() { 
 
$('.button').click(function(){ 
 
     $('.clicked').removeClass("clicked") 
 
     $(this).addClass("clicked") 
 
     if ($(".button").hasClass("clicked")) 
 
     { 
 
      var id = $(this).find('img'); 
 
      //var idToSRC = 'images/'+ this.id + '_hover' +'.png'; 
 
      var idToSRC = 'https://dummyimage.com/100x100/'; 
 
      id.attr('src', idToSRC); 
 
     } 
 
     else if($(".button").not("clicked")) 
 
     { 
 
     id.removeAttr('src', idToSRC); 
 
     } 
 
}); 
 
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> 
 
<ul> 
 
    <li><a class="button" id="mobile-icon" href="#"><img src="https://dummyimage.com/100x100/fffg/000" class="defaultimg"></a><h4>Mobile</h4></li> 
 
    <li><a class="button" id="music-icon" href="#" ><img src="https://dummyimage.com/100x100/fffg/000" class="defaultimg"></a><h4>Music</h4></li> 
 
    <li><a class="button" id="camera-icon" href="#" ><img src="https://dummyimage.com/100x100/fffg/000" class="defaultimg"></a><h4>Camera</h4></li> 
 
    <li><a class="button" id="computers-icon" href="#" ><img src="https://dummyimage.com/100x100/fffg/000" class="defaultimg"></a><h4>Computers</h4></li> 
 
</ul>