how to type backspace programmatically in javascript code example

Example: delete backspace on string js

// str1 your string with backspace 
var str1 = 'Hello world xd lol'
var str2 = ''
// str2 string without empty 
str2 = str1.replace(/\s/g, '')
console.log(str2)
// "Helloworldxdlol"