Auto merge of #11554 - paulrouget:targetProperty, r=Ms2ger

Support link target attribute

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- [ ] These changes fix #__ (github issue number if applicable).

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components/script/dom/htmlanchorelement.rs

@@ -139,6 +139,12 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement {
     // https://html.spec.whatwg.org/multipage/#dom-a-shape
     make_setter!(SetShape, "shape");
 
+    // https://html.spec.whatwg.org/multipage/#attr-hyperlink-target
+    make_getter!(Target, "target");
+
+    // https://html.spec.whatwg.org/multipage/#attr-hyperlink-target
+    make_setter!(SetTarget, "target");
+
     // https://html.spec.whatwg.org/multipage/#dom-hyperlink-hash
     fn Hash(&self) -> USVString {
         // Step 1.

components/script/dom/webidls/HTMLAnchorElement.webidl

@@ -12,7 +12,7 @@
 
 // https://html.spec.whatwg.org/multipage/#htmlanchorelement
 interface HTMLAnchorElement : HTMLElement {
-  //         attribute DOMString target;
+  attribute DOMString target;
   //         attribute DOMString download;
   //[PutForwards=value] attribute DOMSettableTokenList ping;
   //         attribute DOMString rel;