function addParagraph(text) {
    // Create a new <p> element
    var paragraph = document.createElement("p");

    // Set the text content of the <p> element
    paragraph.textContent = text;

    // Append the new <p> element to the body of the document
    document.body.appendChild(paragraph);
}

// Usage example:
addParagraph("This is a dynamically added paragraph.");

test

hello

p {
color : red;
}