how to map an array with uppercase function in javascript?
I'm interested if there is any function like array_map or array_walk from php. Don't need an for that travels all the array. I can do that for myself. var array = ['dom', 'lun', 'mar', 'mer', 'gio', 'ven', 'sab']; // i would like something like this if exists - function(array, 'upperCase'); You can use $.map() in order to apply String.toUpperCase() (or String.toLocaleUpperCase() , if appropriate) to your array items: var upperCasedArray = $.map(array, String.toUpperCase); Note that $.map() builds a new array. If you want to modify your existing array in-place, you can use $.each() with an