[Solved] Event when onblur input jquery

Question

The solution I’ve found :

$("#address").on('blur focus', function() {
    if (this.value=='') {
    $('#button_submit').css('display', 'none');         
     }
});

Accepted Answer

The solution I’ve found :

$("#address").on('blur focus', function() {
    if (this.value=='') {
    $('#button_submit').css('display', 'none');         
     }
});