Programming Challenge - Extract Functional Requirements for these two (identical) pieces of code.js

/* DESCRIPTION 
   In this file are two code samples. They both implement the exact same functional requirements but in a different way.
   Your challenge? Write a description of what this piece of software does.
   Why? I would like to know which piece of code you find easier to grasp. What can you tell me about each snippet?
*/

/* SNIPPET 1 */

// VIEW
var view = {
    render: function(stateRepresentation) {
        document.querySelector('#counterA').innerText = stateRepresentation.counterA_value;
        document.querySelector('#counterB').innerText = stateRepresentation.counterB_value;
        document.querySelector('#counterC').innerText = stateRepresentation.counterC_value;
        document.querySelector('#buttonA').onclick = stateRepresentation.intents.incrementA;
        document.querySelector('#buttonADuplicate').onclick = stateRepresentation.intents.incrementA;
        document.querySelector('#buttonAB').onclick = stateRepresentation.intents.incrementBoth;
    }
};

// VIEW MODEL
var viewModel = {
    project: function(appState) {
        var stateRepresentation = {
            counterA_value: appState.counterA_value,
            counterB_value: appState.counterB_value,
            counterC_value: appState.counterA_value + appState.counterB_value,
            intents: {
                incrementA: actions.incrementA,
                incrementBoth: actions.incrementBoth
            }
        };
        view.render(stateRepresentation);
    }
}

// MODEL
var model = (function(){
    var appState = {
        counterA_value: 2,
        counterB_value: 12
    };

    return {
        consider: function(data) {
            if(appState.counterA_value >= 50) {
                return;
            }
            if(data.incrementCounterA) {
                appState.counterA_value = appState.counterA_value + 1;
            }
            if(data.incrementCounterB) {
                appState.counterB_value = appState.counterB_value + 1;
            }
            viewModel.project(appState);
        }
    }
}());

// ACTIONS
var actions = (function() {
    var action = function(callback) {
        return function() {
            model.consider(callback());
        }
    };

    return {
        incrementA: action(function() {
            return {
                incrementCounterA: true
            };
        }),
        incrementBoth: action(function() {
            return {
                incrementCounterA: true,
                incrementCounterB: true
            };
        })
    };
}());


/* SNIPPET 2 */

var counterA_value = 2;
var counterB_value = 12;

function preventIncrement() {
    return counterA_value >= 50
}

function updateCounterC() {
    document.querySelector('#counterC').innerText = counterA_value + counterB_value;
}

function updateCounterA() {
    counterA_value = counterA_value + 1;
    document.querySelector('#counterA').innerText = counterA_value;
}

function updateCounterB() {
    counterB_value = counterB_value + 1;
    document.querySelector('#counterB').innerText = counterB_value;
}

document.querySelector('#buttonA').addEventListener('click', function(e) {
    if(preventIncrement()) {
        return;
    }
    updateCounterA();
    updateCounterC();
});

document.querySelector('#buttonADuplicate').addEventListener('click', function(e) {
    if(preventIncrement()) {
        return;
    }
    updateCounterA();
    updateCounterC();
});

document.querySelector('#buttonAB').addEventListener('click', function(e) {
    if(preventIncrement()) {
        return;
    }
    updateCounterA();
    updateCounterB();
    updateCounterC();
});