jQuery addClass example

Change class name on click in jQuery

by praveen_kr

HTML

<div id="banner-message">
  <p>Hello World</p>
  <button>Change color</button>
</div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#banner-message {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  font-size: 25px;
  text-align: center;
  transition: all 0.2s;
  margin: 0 auto;
  width: 300px;
}

button {
  background: #0084ff;
  border: none;
  border-radius: 5px;
  padding: 8px 14px;
  font-size: 15px;
  color: #fff;
}

#banner-message.alt {
  background: #0084ff;
  color: #fff;
  margin-top: 40px;
  width: 200px;
}

#banner-message.alt button {
  background: #fff;
  color: #000;
}

JavaScript

// find elements
var banner = $("#banner-message")
var button = $("button")
var jobsData = JSON.parse('[{"FamilyId":47,"FamilyDescription":"Resposition.ChildPosition[child]earch & Development (Pre-Clinical)","SubFamilies":[{"SubFamilyId":81,"SubFamilyDescription":"Research & Dev","Positions":[{"PositionId":12311,"Title":"Drug Safety & Compliance Executive","JobFamilyLong":"11377-8","RollupJobs":null,"ParentPositionId":0,"ChildPosition":[{"PositionId":12929,"Title":"Animal Care Management","JobFamilyLong":"1091A-5","RollupJobs":null,"ParentPositionId":0,"ChildPosition":[{"PositionId":12448,"Title":"Veterinarian","JobFamilyLong":"1871-6","RollupJobs":null,"ParentPositionId":0,"ChildPosition":[{"PositionId":12194,"Title":"Animal Technician","JobFamilyLong":"1011-4","RollupJobs":null,"ParentPositionId":0,"ChildPosition":null,"CategoryIndex":0,"MaxChildTreeHeight":0,"HasEmplyees":false,"CategoryCode":"S"}],"CategoryIndex":0,"MaxChildTreeHeight":0,"HasEmplyees":false,"CategoryCode":"P"}],"CategoryIndex":0,"MaxChildTreeHeight":0,"HasEmplyees":false,"CategoryCode":"M"}],"CategoryIndex":0,"MaxChildTreeHeight":0,"HasEmplyees":false,"CategoryCode":"E"},{"PositionId":12315,"Title":"Drug Safety & Metabolism Officer","JobFamilyLong":"11477-8","RollupJobs":null,"ParentPositionId":0,"ChildPosition":[{"PositionId":12071,"Title":"Scientific Management - Biology","JobFamilyLong":"1261-5","RollupJobs":null,"ParentPositionId":0,"ChildPosition":[{"PositionId":12231,"Title":"Molecular Biology - Associate","JobFamilyLong":"1301-4","RollupJobs":null,"ParentPositionId":0,"ChildPosition":null,"CategoryIndex":0,"MaxChildTreeHeight":0,"HasEmplyees":false,"CategoryCode":"P"},{"PositionId":12242,"Title":"Molecular Biology - Scientist","JobFamilyLong":"1311-5","RollupJobs":null,"ParentPositionId":0,"ChildPosition":null,"CategoryIndex":0,"MaxChildTreeHeight":0,"HasEmplyees":false,"CategoryCode":"P"},{"PositionId":12247,"Title":"Cell Biology -...