('chchchchchch' + str).slice(-len)? But yes, maybe you want to pad a lot of characters. That is why I always define a constant in the global scope. const chch

('chchchchchch' + str).slice(-len)? But yes, maybe you want to pad a lot of characters. That is why I always define a constant in the global scope. const chchchchchchchch[...]chchchchchchchchchchchchch = chchchchchchchchchchch[...]chchchchchchchchchchc Remember to name your labels in a way that users know what they represent. I feel there is some truth to the laziness argument.