add more elements inside grid-template-areas property - using js code example

Example: grid template areas

/* Keyword value */
grid-template-areas: none;

/*  values */
grid-template-areas: "a b";
grid-template-areas: "a b b"
                     "a c d";

/* Global values */
grid-template-areas: inherit;
grid-template-areas: initial;
grid-template-areas: unset;