function myfun(arr){
return arr.map(function(x){
var s=x.toLowerCase()
console.log(s.charAt(0));
console.log(s.charAt(0).toUpperCase());
return s.replace(s.charAt(0),s.charAt(0).toUpperCase());
})
}
var arr=["SDFssd","AADdjkfd"]
console.log(myfun(arr));
彼岸花1血海
function myfun(arr){ return arr.map(function(x){ var s=x.toLowerCase() console.log(s.charAt(0)); console.log(s.charAt(0).toUpperCase()); return s.replace(s.charAt(0),s.charAt(0).toUpperCase()); }) } var arr=["SDFssd","AADdjkfd"] console.log(myfun(arr));