1var arr = str.split(",").map(item => item.trim());

1var str = "  Some text ";
2str.trim();
3// str = "Some text"

1value = value.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, '') );