Child Support Calculator

function child_support_calculator_shortcode() {

    // Enqueue the JavaScript

    wp_enqueue_script('child-support-calculator', get_template_directory_uri() . '/path-to-your-js-folder/child-support-calculator.js', array('jquery'), '1.0.0', true);

    ob_start();

    include get_template_directory() . '/path-to-your-html-folder/child-support-form.html';

    return ob_get_clean();

}

add_shortcode('child_support_calculator', 'child_support_calculator_shortcode');

Javascript

document.addEventListener("DOMContentLoaded", function() {

    document.getElementById("childSupportForm").addEventListener("submit", function(event) {

        event.preventDefault();

        const grossIncome = parseFloat(document.getElementById("grossIncome").value);

        let numChildren = parseInt(document.getElementById("numChildren").value);

        let supportAmount = 0;

        // Define your percentages here

        const basePercentages = [

            [0.16, 0.08, 0.04], 

            [0.22, 0.11, 0.06], 

            [0.26, 0.13, 0.06],

            [0.28, 0.14, 0.07]

        ];

        // If number of children is above 4, calculate based on increments

        if (numChildren > 4) {

            supportAmount += calculateAmount(grossIncome, basePercentages[3]);

            numChildren -= 4;

            while(numChildren > 0) {

                supportAmount += calculateAmount(grossIncome, [0.02, 0.01, 0.005]);

                numChildren--;

            }

        } else {

            supportAmount = calculateAmount(grossIncome, basePercentages[numChildren - 1]);

        }

        document.getElementById("result").innerText = "Child Support Amount: $" + supportAmount.toFixed(2);

    });

    function calculateAmount(income, percentages) {

        let amount = 0;

        amount += percentages[0] * Math.min(income, 6000);

        if (income > 6000) amount += percentages[1] * (Math.min(income, 10000) - 6000);

        if (income > 10000) amount += percentages[2] * (income - 10000);

        return amount;

    }

});