JavaScript Trim Method for Older Browsers

The trim() methods in JavaScript removes spaces and other whitespace characters from both ends of a string. It is supported in all modern browsers and you can add the trim() method to the String prototype object for supporting older browser versions.

The \s represent whitespace characters while \uFEFF represents the zero-width no-break space.

''.trim ||
  (String.prototype.trim = function () {
    return this.replace(/^[\s\uFEFF]+|[\s\uFEFF]+$/g, '');
  });
Amit Agarwal

Amit Agarwal

Google Developer Expert, Google Cloud Champion

Amit Agarwal is a Google Developer Expert in Google Workspace and Google Apps Script. He holds an engineering degree in Computer Science (I.I.T.) and is the first professional blogger in India.

Amit has developed several popular Google add-ons including Mail Merge for Gmail and Document Studio. Read more on Lifehacker and YourStory

Awards & Titles

Digital Inspiration has won several awards since it's launch in 2004.

Google Developer Expert

Google Developer Expert

Google awarded us the Google Developer Expert award recogizing our work in Google Workspace.

ProductHunt Golden Kitty

ProductHunt Golden Kitty

Our Gmail tool won the Lifehack of the Year award at ProductHunt Golden Kitty Awards in 2017.

Microsoft MVP Alumni

Microsoft MVP Alumni

Microsoft awarded us the Most Valuable Professional (MVP) title for 5 years in a row.

Google Cloud Champion

Google Cloud Champion

Google awarded us the Champion Innovator title recognizing our technical skill and expertise.

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