Method _isContentEditable

src/AutoNumeric.js:7954–7956

* Returns `true` if the given DOM element is a contenteditable one (set to `true`) * * @param {HTMLElement} domElement * @returns {boolean}

(domElement)

     * @returns {boolean}
     */
    _isContentEditable(domElement) {
        return domElement.hasAttribute('contenteditable') && domElement.getAttribute('contenteditable') === 'true';
    }

    /**
     * Formats the default value on page load.