set focus on element javascript code example

Example 1: set focus javascript

document.getElementById("ThingToSetFocusOn").focus();

Example 2: focus js

focusMethod = function getFocus() {          
  document.getElementById("myButton").focus();
}

Example 3: set focus on input field javascript

window.onload=function(){
 document.getElementById("id_here").focus();
}
// id_here = put the id of the HTML element where you want to set focus.