type

An object that can contain the following members:

parameters

An array of data types ("i32", "i64", "f32", "f64", "v128", "externref", "anyfunc").

• TypeError:
  • : Thrown if at least one of these conditions are met:
    • The type parameter is not an object.
    • The type.parameters property is not supplied.
    • The type.parameters contains an unsupported data type.
• A TypeError will be thrown if type is not an object, the type.parameters property is not supplied, or type.parameters contains an unsupported data type.

This creates a tag with two values.

const tag = new WebAssembly.Tag({ parameters: ["i32", "i64"] });

• WebAssembly overview
• WebAssembly concepts
• Using the WebAssembly JavaScript API