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JavaScript Exercises

JavaScript: Remove a specific number of characters from a string

JavaScript String: Exercise-4 with Solution

Write a JavaScript function to extract a specified number of characters from a string.

Pictorial Presentation:

JavaScript: Split a string and convert it into an array of words

Test Data :
console.log(truncate_string("Robin Singh",4));
"Robi"

Sample Solution:-

HTML Code:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Remove a specific number of characters from a string</title>
</head>
<body>
</body>
</html>

JavaScript Code:

truncate_string = function (str1, length) {
  
    if ((str1.constructor === String) && (length>0)) {
        return str1.slice(0, length);
    }
};
console.log(truncate_string("Robin Singh",4));

Sample Output:

Robi

Flowchart:

Flowchart: JavaScript- Remove a specific number of characters from a string

Live Demo:

See the Pen JavaScript Remove a specific number of characters from a string - string-ex-4 by w3resource (@w3resource) on CodePen.


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