当我悬停或单击class = "img-1“时,我希望弹出class = "block 1”并隐藏class = "block-default“。此外,我还希望在没有操作时重新显示缺省块。
<style>
.bloc{
width: 300px;
height: 300px;
position: absolute;
}
.bloc:nth-child(1){
background-color: #003169;
}
.bloc:nth-child(2){
background-color: #00A8FF;
}
img{
float:right ;
}
</style>
<body>
<div class="Bloc">
<div class="bloc">Bloc-1</div>
<div class="bloc">Bloc-2</div>
<div class="bloc">Bloc-defaut</div>
</div>
<div class="img">
<img class="img-1" title="image-1" src="" />
<img class="img-2" title="image-2" src="" />
</div>
</body>发布于 2016-05-15 11:38:14
添加可以在默认类的基础上添加其他类,也可以使用nth-child(n)进行选择
jQuery:
$(document).ready(function(){
$('.img-1').on('mouseover mouseout click',function(){
$('.bloc-default').toggleClass('hide')
})});
css:
.bloc{
width: 100px;
height: 100px;
position: absolute;
}
.hide{
display:none;
}
.bloc{
background-color: #CC2222;
}
.bloc:nth-child(1){
background-color: #003169;
}
.bloc:nth-child(2){
background-color: #00A8FF;
}
img{
float:right ;
}HTML:
<div class="Bloc">
<div class="bloc">Bloc-1</div>
<div class="bloc">Bloc-2</div>
<div class="bloc bloc-default">Bloc-defaut</div>
</div>
<div class="img">
<img class="img-1" title="image-1" src="//lorempixel.com/100/111" />
<img class="img-2" title="image-2" src="//lorempixel.com/100/110" />
</div>Demo
发布于 2016-05-15 12:18:28
试试这个:
var img1 = document.querySelectorAll("[title=image-1]");
img1.onclick = function() {
var currentClass = (' ' + img1.className + ' ').indexOf(' block-default ') > -1;
if (currentClass) {
img1.className =
img1.className.replace(/(?:^|\s)block-default(?!\S)/g, '');
img1.className += " block-1";
}
else {
img1.className =
img1.className.replace(/(?:^|\s)block-1(?!\S)/g, '');
img1.className += " block-default";
}
};
img1.onmouseover = function() {
var currentClass = (' ' + img1.className + ' ').indexOf(' block-default ') > -1;
if (currentClass) {
img1.className =
img1.className.replace(/(?:^|\s)block-default(?!\S)/g, '');
img1.className += " block-1";
}
};
img1.onmouseout = function() {
var currentClass = (' ' + img1.className + ' ').indexOf(' block-1 ') > -1;
if (currentClass) {
img1.className =
img1.className.replace(/(?:^|\s)block-1(?!\S)/g, '');
img1.className += " block-default";
}
};https://stackoverflow.com/questions/37233975
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