JSFiddle - React, Tailwind, and code Playground

by schawaska

HTML

<input type="text" id="t">

JavaScript

var Pascalize = function(word) {
    var x = word;
    result = '';
    if(-1 != word.indexOf('_')) {
        x = word.split('_');
        for(var i=0;i<x.length;i++) {
            result += x[i].substr(0, 1).toUpperCase() + x[i].substr(1);
        }
    }
    if('' == result) { result = word; }
    return result;
};

var textBox = document.getElementById('t');
textBox.value = Pascalize("this_is_a_test");