Answers for "how to remove a property from a class in javascript"

how to remove a class from element with javascript

const div =  document.querySelector('div') // Get element from DOM
div.classList.remove('info') // Remove class "info"

javscript remove a property

var myObject = {
    "name": "jon",
    "gender": "male",
    "registered": "yes"
};
delete myObject.gender;

console.log(myObject);

//other methods
delete myObject.gender;
// or,
delete myObject['gender'];
// or,
var prop = "gender";
delete myObject[prop];