Let's begin with an example: https://jsfiddle.net/ilyamilosevic/7nxv8cof/. So, in the example we are setting value of grid-template-columns to repeat(${n}, 1fr) where n is the number of columns. After opening devTools in Chrome (or in Firefox, doesn't matter) we see that the value of previously mentioned property is actually the long alternative (grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr) to laconic repeat(10, 1fr) if n = 10. You can call it a nit picking but I am interested why is it happening.
Additional info:
- Windows;
- Chrome 57.0.2987.110 32-bit;
- Firefox 52.0.1 32-bit.