hulu-medium-tut-categoriesfunctions.js

renderCategories = categories =>
    categories.map((cat, i) => {
      return (
        <a key={i} style={styles.cursor}
          onClick={() => this.slideLeft(i)}
        >
          <h1 style={styles.catFont} id={"category" + i}>
            {cat}
          </h1>
        </a>
      );
    });