to convert string into camel case in javascr code example

Example 1: convert camelcase to sentence case javascript

var text = 'helloThereMister';
var result = text.replace( /([A-Z])/g, " $1" );
var finalResult = result.charAt(0).toUpperCase() + result.slice(1);
console.log(finalResult);

Example 2: Convert string to camel case

def to_camel_case(text):
    if text == '':
        return text
    for i in text:
        if i == '-' or i == '_':
            text = text.replace(text[text.index(i):text.index(i)+2], text[text.index(i)+1].upper(), 1)
    return text