jQuery addClass example

Change class name on click in jQuery

by WesleyGoncalves

HTML

<div class="parent">
   <span class="child">Anderson Amorim</span>
   <span class="child"></span>
</div>

JavaScript

var $span = $(".parent").find('.child').first();

$span.on("change", function() {  // "Vigia" mudanças no `span`
  alert($(this).html());
})

$span.html("Olá");        // Altera o valor do span
$span.trigger("change");  // Dispara o evento `change`.

$span.text("Hello");      
$span.trigger("change");