Global

(module (import "console" "log" (func $log (param i32))) ;; import a global variable from js (global $from_js (import "env" "from_js") i32) ;; create a global variable (global $from_wasm i32 (i32.const 10)) (func $main ;; load both global variables onto the stack global.get $from_js global.get $from_wasm i32.add ;; add up both globals call $log ;; log the result ) (start $main) ) 

const url = "{%wasm-url%}"; const from_js = new WebAssembly.Global({ value: "i32", mutable: false }, 5); await WebAssembly.instantiateStreaming(fetch(url), { console, env: { from_js }, }); 

;; declare new variable named $val of type i32 (global $val i32)