Run results for: Check for empty string (only whitespaces)

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:71.0) Gecko/20100101 Firefox/71.0

Browser: Firefox 71

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
.trim()	14192800.0 Ops/sec
regex	22727410.0 Ops/sec

Script Preparation code:

var str = ' \n\t  hello world \n\n';
var regex = /$\s*$/;

Tests: