将每个单词的首字母大写

function capitalizeFirstLetter(str) {
    str = str.toLowerCase();
    return str.charAt(0).toUpperCase() + str.slice(1);
}

console.log(capitalizeFirstLetter("I'm a little tea pot"));

最后结果是：I'm A Little Tea Pot

转载于:https://www.cnblogs.com/RRirring/p/5715036.html