boolean vs !! (v4)

Revision 4 of this benchmark created on April 21, 2023

Setup

let strTrue = 'Hello'
let strFalse = ''
let numberTrue = 1
let numberFalse = 0
//Object не рассматриваю т.к. .length приведет нас к
// number, а он рассмотрен (если не прав - отпишитес)

Test runner

if (Boolean(strTrue )) {
	//
}
if (Boolean(strFalse )) {
	//
}
if (Boolean(numberTrue )) {
	//
}
if (Boolean(numberFalse)) {
	//
}

if (!!strTrue) {
	//
}
if (!!strFalse) {
	//
}
if (!!numberTrue) {
	//
}
if (!!numberFalse) {
	//
}

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.

• Revision 1: published on April 21, 2023
• Revision 2: published on April 21, 2023
• Revision 4: published on April 21, 2023
• Revision 5: published on April 21, 2023