how to convert a string to uppercase in js code example
Example 1: uppercase javascript
var str = "Hello World!";
var res = str.toUpperCase(); //HELLO WORLD!
Example 2: uppercase and lowercase letters in js
str.toLowerCase()
str.toUpperCase()
Example 3: javascript uppercase string
var str = "Hello World!";
var res = str.toUpperCase();
Example 4: uppercase in javascript
"foo bar!".toUpperCase();