delete string from given index javascript code example

Example 1: delete first character javascript

let str = 'Hello';
 
str = str.slice(1);
console.log(str);
 
/*
    Output: ello
*/

Example 2: remove character at index from string javascript

// removing char at index 3
var str = "Hello World";
str = str.slice(0, 3) + str.slice(4);

console.log(str)  // Helo World

Example 3: delate char betwen index js

// First find the substring of the string to replace, then replace the first occurrence of that string with the empty string.

S = S.replace(S.substring(bindex, eindex), "");

//Another way is to convert the string to an array, splice out the unwanted part and convert to string again.

var result = S.split("");
result.splice(bindex, eindex - bindex);
S = result.join("");