convert hyphen case to camelcase javascript 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: camelcase to hyphenated javascript

let dashed = camel.replace(/[A-Z]/g, m => "-" + m.toLowerCase());