A new and distinct Euonymus cultivar named ‘EUJACODEK’ which is characterized by the combination of a freely-branching, broad upright growth habit with dense foliage, an abundance of pale yellow juvenile foliage, pale yellow juvenile stems, an abundance of pale yellow intermediate foliage with green venation, intermediate foliage which becomes progressively suffused with green as it matures, dark green and glossy mature foliage, large mature foliage, and the stability of these characteristics from generation to generation.
