Question

How to delete a property from an object in JavaScript

Answer 1

var e = { name:"tom bankester", 
          profession:"programmer", 
          salary:13990, 
          getDetails: function () {
                return this.name + ' ' + this.profession + ' ' + this.salary;
          }
        }; 
        
document.write(e.getDetails() + "<br />");

delete e.salary; 
document.write(e.getDetails());

 
/*
run:

tom bankester programmer 13990
tom bankester programmer undefined  
 
*/

 

70+ SQL courses for beginners and professionals