Answers for "isuppercase javascript"

49

uppercase javascript

var str = "Hello World!";
var res = str.toUpperCase();  //HELLO WORLD!
Posted by: Guest on July-30-2020
5

javascript check if all capital letter

function isUpper(str) {
    return !/[a-z]/.test(str) && /[A-Z]/.test(str);
}

isUpper("FOO"); //true
isUpper("bar"); //false
isUpper("123"); //false
isUpper("123a"); //false
isUpper("123A"); //true
isUpper("A123"); //true
isUpper(""); //false
Posted by: Guest on October-30-2020
3

touppercase javascript array

const names = ['Ali', 'Atta', 'Alex', 'John'];

const uppercased = names.map(name => name.toUpperCase());

console.log(uppercased);

// ['ALI', 'ATTA', 'ALEX', 'JOHN']
Posted by: Guest on October-23-2020
0

javascript string to uppercase

var string = "To Upper Case";
console.log(string.toUpperCase()); // TO UPPER CASE
Posted by: Guest on June-19-2021
1

how to check string uppercase or lowersace using regex javascript

var regex = /^(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9])(?=.*[!#\*\?])(?=.{8,})/;
Posted by: Guest on June-17-2020
-1

js to uppercase

var string = "A string";
console.log(string.toUpperCase()); // -> A STRING
Posted by: Guest on July-17-2021

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