js-sys 0.3.9

Bindings for all JS global objects and functions in all JS environments like Node.js and browsers, built on `#[wasm_bindgen]` using the `wasm-bindgen` crate.
Documentation 
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use js_sys::*;
use wasm_bindgen::JsCast;
use wasm_bindgen::JsValue;
use wasm_bindgen_test::*;

#[wasm_bindgen_test]
fn syntax_error() {
    let error = SyntaxError::new("msg");
    assert!(error.is_instance_of::<SyntaxError>());
    assert!(error.is_instance_of::<Error>());
    assert!(error.is_instance_of::<Object>());
    let _: &Error = error.as_ref();
    let _: &Object = error.as_ref();

    let base: &Error = error.as_ref();
    assert_eq!(JsValue::from(base.message()), "msg");
}