Run results for: startsWith or regex test or indexOf

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser: Chrome 119

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Script Preparation code:

window.myString = "Hello, world!";
window.prefix = "Hello";
window.regex = /^Hello/;

AخA
 
window.myString = "Hello, world!";window.prefix = "Hello";window.regex = /^Hello/;

Tests:

startsWith
if (myString.startsWith(prefix)) { // do something }
if (myString.startsWith(prefix)) {
// do something
}
regex
if (regex.test(myString)) { // do something }
if (regex.test(myString)) {
// do something
}
indexOf
if (myString.indexOf(prefix) === 0) { // do something }
if (myString.indexOf(prefix) === 0) {
// do something
}