<script> let array = [1]; </script> <style> /* boundary of each */ .a + .d { color: green; } .a + .e { color: green; } .a + .f { color: green; } .a + .g { color: green; } .c + .d { color: green; } .c + .e { color: green; } .c + .f { color: green; } .c + .g { color: green; } /* nested boundary of each */ .j + .m { color: green; } .j + .n { color: green; } .j + .o { color: green; } .k + .m { color: green; } .k + .n { color: green; } .k + .o { color: green; } .l + .m { color: green; } .l + .n { color: green; } .l + .o { color: green; } /* parent each */ .d + .e { color: green; } .e + .f { color: green; } /* child each */ .g + .h { color: green; } /* wrap around */ .f + .d { color: green; } .f + .e { color: green; } .f + .f { color: green; } .h + .g { color: green; } .i + .h { color: green; } .i + .g { color: green; } /* wrap around self */ .d + .d { color: green; } .e + .e { color: green; } .f + .f { color: green; } .g + .g { color: green; } .h + .h { color: green; } .i + .i { color: green; } /* wrap around self + next */ .e + .e + .f { color: green; } .e + .e + .d { color: green; } .h + .h + .i { color: green; } .h + .h + .g { color: green; } /* no match */ .a + .h { color: green; } .a + .i { color: green; } .c + .h { color: green; } .c + .i { color: green; } .d + .f { color: green; } .d + .g { color: green; } .e + .g { color: green; } .g + .i { color: green; } </style> <div class="a" /> {#each array as item} <div class="b" /> <div class="c" /> {/each} {#each array as item} {#each array as item} {#each array as item} <div class="d" /> {/each} <div class="e" /> {/each} <div class="f" /> {/each} {#each array as item} <div class="g" /> {#each array as item} <div class="h" /> {#each array as item} <div class="i" /> {/each} {/each} {/each} {#each array as item} <div class="j" /> {#each array as item} <div class="k" /> {#each array as item} <div class="l" /> {/each} {/each} {/each} {#each array as item} {#each array as item} {#each array as item} <div class="m" /> {/each} <div class="n" /> {/each} <div class="o" /> {/each}