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JavaScript: Concatenate two strings except their first character

JavaScript Basic: Exercise-61 with Solution

Write a JavaScript program to concatenate two strings except their first character.

Pictorial Presentation:

JavaScript: Concatenate two strings except their first character

Sample Solution:

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JavaScript program to concatenate two strings except their first character.</title>
</head>
<body>

</body>
</html>

JavaScript Code:

function concatenate(str1, str2) {
  str1 = str1.substring(1, str1.length);
  str2 = str2.substring(1, str2.length);
  return str1 + str2;
}

console.log(concatenate("PHP","JS"));
console.log(concatenate("A","B"));
console.log(concatenate("AA","BB"));

Sample Output:

HPS

AB

Flowchart:

Flowchart: JavaScript - Concatenate two strings except their first character

ES6 Version:

function concatenate(str1, str2) {
  str1 = str1.substring(1, str1.length);
  str2 = str2.substring(1, str2.length);
  return str1 + str2;
}

console.log(concatenate("PHP","JS"));
console.log(concatenate("A","B"));
console.log(concatenate("AA","BB"));

Live Demo:

See the Pen JavaScript - Concatenate two strings except their first character - basic-ex-61 by w3resource (@w3resource) on CodePen.


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Previous: Write a JavaScript program to create a new string without the first and last character of a given string.
Next: Write a JavaScript program to move last three character to the start of a given string.

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JavaScript: Tips of the Day

How to insert an item into an array at a specific index (JavaScript)?

What you want is the splice function on the native array object.

arr.splice(index, 0, item); will insert item into arr at the specified index (deleting 0 items first, that is, it's just an insert). In this example we will create an array and add an element to it into index 2:

var arr = [];
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";
arr[3] = "Kai Jim";
arr[4] = "Borge";

console.log(arr.join());
arr.splice(2, 0, "Lene");
console.log(arr.join());

Ref: https://bit.ly/2BXbp04