select option trigger in js
/*html*/ <select id="sel" onchange='alert("changed")'> <option value='1'>One</option> <option value='2'>Two</option> <option value='3' selected>Three</option> </select> /*Function js*/ var select = document.querySelector('#sel'), input = document.querySelector('input[type="button"]'); select.addEventListener('change',function(){ alert('Yare yare daze'); }); /*RESULT*/ /*When change value trigger alert('Yare yare daze') */
