我想删除的类.active
上$(document).ready
.
.active { color: "red" }
Run Code Online (Sandbox Code Playgroud)
<div class="item step-00">
test
</div>
<div class="item step-0 active">
test1
</div>
Run Code Online (Sandbox Code Playgroud)
$(document).ready(function() {
$(".item step-0 active").removeClass("active");
$(".item step-00").addClass("active");
});
Run Code Online (Sandbox Code Playgroud)