trim ExamplesΒΆ
The general syntax for this method is:
stringName.trim();
This method returns a copy of the string with any leading or trailing whitespace removed. Whitespace characters are those that do not display anything on the screen, such as spaces and tabs.
Example
1 2 3 | console.log("Saint Louis ".trim());
console.log(" Saint Louis".trim());
console.log(" Saint Louis ".trim());
|
Output
Saint Louis
Saint Louis
Saint Louis
Example
When typing an email address into a web site, a user may inadvertently type a space before and/or after the email address. We can clean up such input using the trim method.
This example cleans up user input with trim.
let input = " [email protected] ";
let email = input.trim();
console.log(email);
Output