a.classList.toggle('SELECTOR-1');
b.classList.toggle("SELECTOR-2");
c.classList.toggle(`SELECTOR-3`);
d.classList.toggle("SELECTOR-4", isSomething);
e.classList.toggle("SELECTOR-5", isSomething());
f.classList.toggle("SELECTOR-6", somethingA > 0);
g.classList.toggle("SELECTOR-7", somethingA >= somethingB);
h.classList.toggle("SELECTOR-8", somethingA < somethingB);
i.classList.toggle("SELECTOR-9", somethingA === "foo");

j.classList.toggle(foo);
k.classList.toggle(foo, isFoo);