how i can remove a space from 2 words in a string javascript code example

Example 1: javascript remove space from two side of string

const string = " this contains   spaces ";    
string.replace(/\s{2,}/g, '').trim()

Example 2: Delete spaces in text in javascript

var a = b = " /var/www/site/Brand new   document.docx ";

console.log( a.split(' ').join('') );
console.log( b.replace( /\s/g, '') );