Example code 2 of Web Word(2).js

/**
 * Find a first exceed paragraph
 * @param {HTMLElement} pageBodyElement - page body element
 * @param {number} pageBodyBottom - page bottom
 * @returns {HtmlElement} a first exceed paragraph
 */
_findExceedParagraph(pageBodyElement, pageBodyBottom) {
    const paragraphs = pageBodyElement.querySelectorAll('p');
    const {length} = paragraphs;
    for (let i = 0; i < length; i += 1) {
        const paragraph = paragraphs[i];
        const paragraphBottom = this._getBottom(paragraph);
        if (pageBodyBottom < paragraphBottom) {
            return paragraph;
        }
    }
    return null;
}