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-rw-r--r--components/script/dom/domexception.rs5
1 files changed, 5 insertions, 0 deletions
diff --git a/components/script/dom/domexception.rs b/components/script/dom/domexception.rs
index 19751284bcf..e63cbedafbc 100644
--- a/components/script/dom/domexception.rs
+++ b/components/script/dom/domexception.rs
@@ -104,4 +104,9 @@ impl DOMExceptionMethods for DOMException {
message.to_owned()
}
+
+ // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-error.prototype.tostring
+ fn Stringifier(&self) -> String {
+ format!("{}: {}", self.Name(), self.Message())
+ }
}