how to trim the extra spaces in a string using javascript code example

Example 1: 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 2: remove extra space in string javascript

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