How to handle change text of span

Question

I\'m using jQuery and I want to show some calculation in a span (called span1) and I want when text of span1 changed do some calculation on it\'s v

Answer 1

Span does not have 'change' event by default. But you can add this event manually.

Listen to the change event of span.

$("#span1").on('change',function(){
     //Do calculation and change value of other span2,span3 here
     $("#span2").text('calculated value');
});

And wherever you change the text in span1. Trigger the change event manually.

$("#span1").text('test').trigger('change');