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(""); //falsecapitalize first letter of each word javascript
const titleCase = function(text) {
let newText = '';
text = text.toLowerCase();
text = text.charAt(0).toUpperCase() + text.slice(1);
for (let i = 0; i < text.length; i++) {
if (text[i] === ' ') {
newText += ' ' + text[i+1].toUpperCase();
i++;
} else {
newText += text[i];
}
}
return newText;
}Copyright © 2021 Codeinu
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