JS处理字符串为首字母大写

曾经终败给现在 2022-06-06 13:45 283阅读 0赞

const days = [‘sunday’, ‘monday’, ‘tuesday’, ‘wednesday’, ‘thursday’, ‘friday’, ‘saturday’];

for(let day of days){

  1. day = day.replace(/\\b\\w+\\b/g, function(word)\{

return word.substring(0,1).toUpperCase()+word.substring(1);}
);
console.log(day);

}

//输出结果为

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

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