showing results for - "how to convert array to uppercase in javascript"
Vlad
26 Jun 2016
1var fruits = ["Banana", "Orange", "Apple", "Mango"];
2undefined
3string = fruits.join(' ').toUpperCase();
4// Output"BANANA ORANGE APPLE MANGO"
Michele
01 Oct 2016
1var a = ['this','is','test'];
2
3a.map(f=>{ return f.toUpperCase(); });
Amir
30 Feb 2020
1var string = "A string";
2
3var upperCase = string.toUpperCase();
4console.log(upperCase); // -> A STRING
5
6var lowerCase = string.toLowerCase();
7console.log(lowerCase); // -> a string
Mae
14 Jul 2017
1const names = ['Ali', 'Atta', 'Alex', 'John'];
2
3const uppercased = names.map(name => name.toUpperCase());
4
5console.log(uppercased);
6
7// ['ALI', 'ATTA', 'ALEX', 'JOHN']
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