end

end is used to end a block, loop, if, or else. In the other examples we used the s-expression syntax which doesn't require the end, so you won't find it in the other examples here. However, it's still useful to know about since this is what the browsers display in devtools.

Try it

Syntax

wasm

i32.const 0
if
  ;; do something
end
Instruction Binary opcode
end 0x0b