Capitalizes the first letter of every word in a string.
Use String.prototype.replace()
to match the first character of each word and String.prototype.toUpperCase()
to capitalize it.
代码片段
const capitalizeEveryWord = str => str.replace(/\b[a-z]/g, char => char.toUpperCase());
使用样例
capitalizeEveryWord('hello world!'); // 'Hello World!'