Å·±¦ÓéÀÖ

“With the handy map method of arrays (introduced in ES5), we can completely eliminate the loop details, implementing just the element-by-element transformation with a local function: Click here to view code image var names = [" Fred", "Wilma", "Pebbles"]; var upper = names.map( function( name) { return name.toUpperCase(); });”