Run results for: Is string empty

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/117.0

Browser: Firefox 117

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
not string	639318592.0 Ops/sec
length is 0	655167680.0 Ops/sec
not length	609485504.0 Ops/sec
string equals empty string	657381952.0 Ops/sec
string soft equals empty string	613259072.0 Ops/sec
not boolean	644894592.0 Ops/sec
length soft equals 0	671071168.0 Ops/sec

Tests:

not string
function isEmpty(string) { return !string; } const text = 'This is an example of a non empty string'; const empty = ''; const test1 = isEmpty(text); const test2 = isEmpty(empty);
length is 0
function isEmpty(string) { return string.length === 0; } const text = 'This is an example of a non empty string'; const empty = ''; const test1 = isEmpty(text); const test2 = isEmpty(empty);
not length
function isEmpty(string) { return !string.length; } const text = 'This is an example of a non empty string'; const empty = ''; const test1 = isEmpty(text); const test2 = isEmpty(empty);
string equals empty string
function isEmpty(string) { return string === ''; } const text = 'This is an example of a non empty string'; const empty = ''; const test1 = isEmpty(text); const test2 = isEmpty(empty);
string soft equals empty string
function isEmpty(string) { return string == ''; } const text = 'This is an example of a non empty string'; const empty = ''; const test1 = isEmpty(text); const test2 = isEmpty(empty);
not boolean
function isEmpty(string) { return !Boolean(string); } const text = 'This is an example of a non empty string'; const empty = ''; const test1 = isEmpty(text); const test2 = isEmpty(empty);
length soft equals 0
function isEmpty(string) { return string.length == 0; } const text = 'This is an example of a non empty string'; const empty = ''; const test1 = isEmpty(text); const test2 = isEmpty(empty);