diff --git a/src/js.rs b/src/js.rs
index 047acfff..0e1ed628 100644
--- a/src/js.rs
+++ b/src/js.rs
@@ -220,6 +220,14 @@ extern {
     #[wasm_bindgen(method, js_name = hasOwnProperty)]
     pub fn has_own_property(this: &Object, property: &JsValue) -> bool;
 
+    /// The toLocaleString() method returns a string representing the object.
+    /// This method is meant to be overridden by derived objects for locale-specific
+    /// purposes.
+    ///
+    /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toLocaleString
+    #[wasm_bindgen(method, js_name = toLocaleString)]
+    pub fn to_locale_string(this: &Object) -> String;
+
     /// The toString() method returns a string representing the object.
     ///
     /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toString
diff --git a/tests/all/js_globals/Object.rs b/tests/all/js_globals/Object.rs
index 86c3fb2b..6e2bbb70 100755
--- a/tests/all/js_globals/Object.rs
+++ b/tests/all/js_globals/Object.rs
@@ -157,3 +157,30 @@ fn property_is_enumerable() {
         "#)
         .test()
 }
+
+#[test]
+fn to_locale_string() {
+    project()
+        .file("src/lib.rs", r#"
+            #![feature(proc_macro, wasm_custom_section)]
+
+            extern crate wasm_bindgen;
+            use wasm_bindgen::prelude::*;
+            use wasm_bindgen::js;
+
+            #[wasm_bindgen]
+            pub fn to_locale_string() -> String {
+                let object = js::Object::new();
+                object.to_locale_string()
+            }
+        "#)
+        .file("test.ts", r#"
+            import * as assert from "assert";
+            import * as wasm from "./out";
+
+            export function test() {
+                assert.equal(wasm.to_locale_string(), "[object Object]");
+            }
+        "#)
+        .test()
+}