jQuery addClass example

Change class name on click in jQuery

by firegroove

HTML

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

<button id="viewMaskOnOff" class="topcoat-button b_quarter myCorner" title="Enable/Disable the Current Mask">Mask On/Off</button>

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;
}

button:hover{
  background-color:red;
}

#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")

// handle click and add class
button.on("click", function(){
  banner.addClass("alt")
})


$("#viewMaskOnOff").mouseover(function (f) {
    if (f.shiftKey) {document.getElementById("viewMaskOnOff").innerHTML = "Invert Mask"; } else {   {document.getElementById("viewMaskOnOff").innerHTML = "Mask On/Off"; }} 
   
});



$(document).keydown(function (e) {
 if (e.keyCode == 16) {
        /* alert(e.which + " or Shift was pressed") */;
 				document.getElementById("viewMaskOnOff").innerHTML = "Invert Mask";
}})
		
		
$(document).keyup(function (e) {
 if (e.keyCode == 16) {
		document.getElementById("viewMaskOnOff").innerHTML = "View Mask";
}})