JavaScript: Remove a character at the specified position of a given string and return the new string

JavaScript Basic: Exercise-22 with Solution

Write a JavaScript program to remove a character at the specified position in a given string and return the modified string.

Visual Presentation:

Sample Solution:

JavaScript Code:

// Define a function named remove_character that takes two parameters, str and char_pos
function remove_character(str, char_pos) {
  // Extract the substring from the beginning of str up to (but not including) char_pos
  part1 = str.substring(0, char_pos);
  // Extract the substring from char_pos + 1 to the end of str
  part2 = str.substring(char_pos + 1, str.length);
  // Return the concatenation of part1 and part2, effectively removing the character at char_pos
  return (part1 + part2);
}

// Log the result of calling the remove_character function with the arguments "Python" and 0 to the console
console.log(remove_character("Python", 0));

// Log the result of calling the remove_character function with the arguments "Python" and 3 to the console
console.log(remove_character("Python", 3));

// Log the result of calling the remove_character function with the arguments "Python" and 5 to the console
console.log(remove_character("Python", 5)); 

Output:

ython
Pyton
Pytho

Live Demo:

See the Pen JavaScript: characterposition: basic-ex-22 by w3resource (@w3resource) on CodePen.

Flowchart:

ES6 Version:

// Using ES6 arrow function syntax to define the remove_character function
const remove_character = (str, char_pos) => {
  // Extract the substring from the beginning of str up to (but not including) char_pos
  const part1 = str.substring(0, char_pos);
  // Extract the substring from char_pos + 1 to the end of str
  const part2 = str.substring(char_pos + 1, str.length);
  // Return the concatenation of part1 and part2, effectively removing the character at char_pos
  return part1 + part2;
};

// Log the result of calling the remove_character function with the arguments "Python" and 0 to the console
console.log(remove_character("Python", 0));

// Log the result of calling the remove_character function with the arguments "Python" and 3 to the console
console.log(remove_character("Python", 3));

// Log the result of calling the remove_character function with the arguments "Python" and 5 to the console
console.log(remove_character("Python", 5));

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