Javascript check text width exceeds container

setOverflowStyle.js

        function setOverflowStyle(bar) {
            if (!exists(bar)) return;

            let parts = bar.parts;
            if (!parts.length) return;

            [...parts].map((part) => {
                let width = part.dataset.amount / this.total;

                if (part.offsetWidth < part.scrollWidth) {
                    part.classList.add('has-number-outside');
                    let content = part.innerHTML;

                    part.innerHTML = `<span class="c-stat-bar__data">${content}</span>`;
                }
            });
        }