libm.html

<script src="https://rawgit.com/AssemblyScript/binaryen.js/master/index.js"></script>
<script>
var libm;
// fetch("../compiler/std/libm.optimized.wat") // doesn't work: too large?
// .then(str => Binaryen.parseText(str))
// .then(module => module.emitBinary())
fetch("libm.wasm")
.then(res => res.arrayBuffer())
.then(buf => WebAssembly.instantiate(buf, {}))
.then(module => {
  libm = module.instance.exports;
  Object.keys(libm).forEach(key => {
    var val = libm[key];
    if (typeof val === "function") {
      console.log("libm." + key + "(...)");
    } else {
      console.log("libm." + key + " = " + val);
    }
  });
})
.catch(err => { throw err; });
</script>