jQuery addClass example

Change class name on click in jQuery

by Theodore Norvell

HTML

<div class="H">                      <!-- black flex-->
    <div class="tall"> </div>          <!-- blue static-->
    <div class="dzContainer">           <!-- red static-->
        <div class="dropZone"> </div>   <!-- green relative-->
    </div>
    <div class="tall"> </div>          <!-- blue static-->
   </div>

CSS

div.dropZone {
    position: relative;
    font-family: serif;
    margin: 0px;
    border-radius: 5px;
    left: 0px;
    top: 0px;
    width: 2em;
    height: inherit;
    min-height: 3ex;
    background-color: green;
}

div.dropZone:hover {
  width: 4em;
  left: -1em;
}

div.dzContainer {
    position: static;
    font-family: serif;
    margin: 0px 0px 0px 0px;
    -webkit-align-self: stretch;
    align-self: stretch;
    width: 2em;
    height: auto;
    min-height: 3ex;
    background-color: red;
}

div.tall {
    position: static;
    font-family: serif;
    margin: 0px 0px 0px 0px;
    -webkit-align-self: stretch;
    align-self: stretch;
    background-color: blue;
    width: 3em;
    height: 10ex;
}

.H {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: row;
    flex-direction: row;
    -webkit-flex-wrap: nowrap;
    flex-wrap: nowrap;
    -webkit-justify-content: flex-start;
    justify-content: flex-start;
    -webkit-align-items: flex-start;
    align-items: flex-start;
    border: 1px solid black;
}