JS处理字符串为首字母大写
const days = [‘sunday’, ‘monday’, ‘tuesday’, ‘wednesday’, ‘thursday’, ‘friday’, ‘saturday’];
for(let day of days){
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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