====== Emscripten 内联 ======
===== 直接调用 =====
''EM_ASM(alert('hai'); alert('bai'));''
===== 传入整数 =====
''EM_ASM(console.log('hello ' + $0), 1);''
===== 传入字符串 =====
''EM_ASM(console.log('hello ' + UTF8ToString($0)), "world!");''