Remove a character at a certain position in a string - javascript [duplicate]

Answer 1

var str = 'Hello World',
    i = 3,
    result = str.substr(0, i-1)+str.substring(i);

alert(result);

Value of i should not be less then 1.

Answer 2

you can use substring() method. ex,

var x = "Hello world"
var x = x.substring(0, i) + 'h' + x.substring(i+1);

Answer 3

Hi starbeamrainbowlabs ,

You can do this with the following:

var oldValue = "pic quality, hello" ;
var newValue =  "hello";
var oldValueLength = oldValue.length ;
var newValueLength = newValue.length ;
var from = oldValue.search(newValue) ;
var to = from + newValueLength ;
var nes = oldValue.substr(0,from) + oldValue.substr(to,oldValueLength);
console.log(nes);

I tested this in my javascript console so you can also check this out Thanks

Answer 4

Turn the string into array, cut a character at specified index and turn back to string

let str = 'Hello World'.split('')

str.splice(3, 1)
str = str.join('')

// str = 'Helo World'.

Answer 5

If you omit the particular index character then use this method

function removeByIndex(str,index) {
      return str.slice(0,index) + str.slice(index+1);
}
    
var str = "Hello world", index=3;
console.log(removeByIndex(str,index));

// Output: "Helo world"

Answer 6

    var str = 'Hello World';
                str = setCharAt(str, 3, '');
                alert(str);

function setCharAt(str, index, chr)
        {
            if (index > str.length - 1) return str;
            return str.substr(0, index) + chr + str.substr(index + 1);
        }