Exploring the String Object in JavaScript

🔍The String object in JavaScript provides various properties and methods for working with strings.

🧱When using a string primitive in JavaScript, the JavaScript engine internally wraps it with the String object, allowing us to access properties and methods.

🔢The length property of a string returns the number of characters in the string.

🔀The split method allows us to split a string into an array of substrings based on a specified separator.

🏷️The trim method removes leading and trailing whitespace from a string.

What is the String object in JavaScript?

—The String object is a built-in object in JavaScript that provides properties and methods for working with strings.

What is the difference between a string primitive and a string object in JavaScript?

—A string primitive is a simple string value, while a string object is a wrapper around a string primitive, allowing access to properties and methods.

How can we determine the number of characters in a string?

—The length property of a string returns the number of characters in the string.

How can we split a string into an array of substrings?

—The split method of a string allows us to split the string into an array of substrings based on a specified separator.

How can we remove leading and trailing whitespace from a string?

—The trim method of a string removes leading and trailing whitespace from the string.

00:03The String object in JavaScript provides properties and methods for working with strings.

00:18When using a string primitive, JavaScript internally wraps it with the String object.

02:19The length property of a string returns the number of characters in the string.

06:02The split method allows us to split a string into an array of substrings.

04:19The trim method removes leading and trailing whitespace from a string.