ryanwong
11 lines
277 B
JavaScript
Executable File
11 lines
277 B
JavaScript
Executable File
function capitalizeFirstLetter(target) {
|
|
if (typeof target !== 'string') {
|
|
throw new Error('Parameter should be a string.');
|
|
}
|
|
return target?.substring(0, 1).toUpperCase() + target?.substring(1)?.toLocaleLowerCase();
|
|
}
|
|
|
|
module.exports = {
|
|
capitalizeFirstLetter,
|
|
};
|