how to remove extra spaces in js code example

Example 1: remove spaces in a string js

str.replace(/\s+/g, '')

Example 2: js method string remove extra spaces

const sentence = '    My string with a    lot   of Whitespace.  '.replace(/\s+/g, ' ').trim()

// 'My string with a lot of Whitespace.'

Example 3: remove extra space in string js

newString = string.replace(/\s+/g,' ').trim();

Example 4: javascript remove space from string

const removeSpaces = str => str.replace(/\s/g, '');

// Example
removeSpaces('hel lo wor ld');      // 'helloworld'