javascript lowercase string
var str = "My Big Boy!"
var res = str.toLowerCase(); //res is "my big boy!"javascript lowercase string
var str = "My Big Boy!"
var res = str.toLowerCase(); //res is "my big boy!"check if letter is uppercase javascript
var strings = 'this iS a TeSt 523 Now!';
var i=0;
var character='';
while (i <= strings.length){
character = strings.charAt(i);
if (!isNaN(character * 1)){
alert('character is numeric');
}else{
if (character == character.toUpperCase()) {
alert ('upper case true');
}
if (character == character.toLowerCase()){
alert ('lower case true');
}
}
i++;
}Copyright © 2021 Codeinu
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