Run results for: Capitalize

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:54.0) Gecko/20100101 Firefox/54.0

Browser: Firefox 54

Operating system: Ubuntu

Device Platform: Other

Date tested: 7 years ago

Tests:

1
function capitalizeFirstLetter(string) { return string.charAt(0).toUpperCase() + string.slice(1); } capitalizeFirstLetter('string');
2
function capitalizeFirstLetter(string) { return string.replace(/^./, string[0].toUpperCase()); } capitalizeFirstLetter('string');
3
function capitalizeFirstLetter(string) { return string[0].toUpperCase() + string.slice(1); } capitalizeFirstLetter('string');
4
String.prototype.capitalizeFirstLetter = function() { return this.charAt(0).toUpperCase() + this.slice(1); } 'string'.capitalizeFirstLetter();
5
String.prototype.capitalizeFirstLetter = function() { return this[0].toUpperCase() + this.slice(1); } 'string'.capitalizeFirstLetter();