js delete 4 char of string code example
Example 1: how to remove lasr char from string in javascript
str=str.slice(0, -1);
Example 2: remove first 3 characters from string javascript
var string = "abcd";
console.log(string.substring(3)); //"d"
str=str.slice(0, -1);
var string = "abcd";
console.log(string.substring(3)); //"d"