Run results for: Is string empty

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Browser: Chrome 103

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
not string	457543072.0 Ops/sec
length is 0	117923560.0 Ops/sec
not length	115193784.0 Ops/sec
string equals empty string	112660048.0 Ops/sec
string soft equals empty string	115691664.0 Ops/sec
not boolean	2681730.0 Ops/sec
length soft equals 0	118865352.0 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);