JavaScript/JavaScript_Dynamic_Web_With_DOM/Adding_&_Removing_Classes.html at master · TheShubham-K/JavaScript · GitHub

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<!DOCTYPE html>
<htmllang="en">

<head>
<metacharset="UTF-8" />
<metaname="viewport" content="width=device-width, initial-scale=1.0" />
<title>&#x1F3F4;&#x200D;&#x2620;&#xFE0F; Complete Javascripts Course</title>
<linkhref="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous" />
<style>
 .box1 {
background-color: aqua;
font-size:1.5em;
color:#fff;
 }

 .box2 {
background-color: red;
font-size:0.5em;
color:#ddd;
 }

#one,
#two,
#three {
width:100px;
height:100px;
display: inline-block;
border:2px solid black;
border-radius:15px;
padding:5px0px;
border-left-color: pink;
border-top-color: orange;
border-right-color: red;
border-bottom-style: dashed;
 }

 .active {
background-color: purple;
 }
</style>
</head>

<body>
<br/>
<br/>
<center>
<!-- <input type="text" id="item"> -->
<br/>
<divid="wrapper">&#x1F4C3; &#x1F3EA; 👾</div>
<br/>
<divid="one" class="myClass">Box One</div>
<divid="two" class="myClass active">Box Two</div>
<divid="three" class="myClass">Box Three</div>
<divid="one" class="myClass">Box Four</div>
<divid="two" class="myClass active">Box Five</div>
<divid="three" class="myClass">Box Six</div>
<divid="one" class="myClass">Box Seven</div>
<divid="two" class="myClass active">Box Eight</div>
<divid="three" class="myClass">Box Nine</div>
<divid="one" class="myClass">Box Ten</div>
<divid="two" class="myClass active">Box Eleven</div>
<divid="three" class="myClass">Box Twelve</div>
<br><br><br>
<ahref="./JavaScript_Accordian.html"><buttontype="button" class="btn btn-outline-warning">JavaScript_Accordian</button></a>
</center>
<script>
varel=document.querySelectorAll('.myClass');
for(varx=0;x<el.length;x++){
el[x].onclick=function(){
upClass(el,'active','remove');
if(!this.classList.contains('active')){
this.classList.add('active');
}
// this.classList.toggle('box1');
}
}

functionupClass(e,c,a){
for(varx=0;x<e.length;x++){
e[x].classList[a](c);
}
}
</script>

<scriptsrc="https://code.jquery.com/jquery-3.5.0.js"
integrity="sha256-r/AaFHrszJtwpe+tHyNi/XCfMxYpbsRg2Uqn0x3s2zc=" crossorigin="anonymous"></script>
<scriptsrc="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
<scriptsrc="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.bundle.min.js"></script>
</body>

</html>