Snippet

Removing Whitespace with String.trim()

The trim() method removes whitespace from both the beginning and the end of a string. This is a best practice in forms to ensure that leading or trailing spaces entered by users don't break search queries or database lookups.

snippet.js

javascript

function SearchInput() {
  function validate(input) {
    const clean = input.trim();
    console.log('Searching for: ' + clean);
  }
  return <input onBlur={function(e) { validate(e.target.value); }} />;
}

nextjs

Breakdown

input.trim()

Creates a new string with all invisible spaces at the start and end removed.

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Removing Whitespace with String.trim()

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