Answers for "javascript .empty"

how to remove html element in jquery

$("button").click(function(){
  $("p").remove();
});

javascript empty function

const func = () => {};
// Or
const func = Function();

javascript if string empty

// Test whether strValue is empty or is None
if (strValue) {
    //do something
}
// Test wheter strValue is empty, but not None 
if (strValue === "") {
    //do something
}

empty string in javascript

var s; // undefined
var s = ""; // ""
s.length // 0

empty javascript

'use strict';
delete Object.prototype; // throws a TypeError

empty javascript

function sum(a, a, c) { // !!! syntax error
  'use strict';
  return a + a + c; // wrong if this code ran
}