1const removeSpaces = str => str.replace(/\s/g, '');
2
3// Example
4removeSpaces('hel lo wor ld');      // 'helloworld'

1value = value.trim();

1str = str.trim();

1var str=" I have outer spaces ";
2var cleanStr=str.trim();//trim() returns string with outer spaces removed

1var str = "       Hello World!        ";
2alert(str.trim());

1var str = '/var/www/site/Brand new document.docx';
2
3document.write( str.replace(/\s/g, '') );