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[js] element.remove

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This commit is contained in:
Witold Filipczyk 2021-06-01 17:24:34 +02:00
parent fb90f2a832
commit f625d74673
2 changed files with 60 additions and 0 deletions
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31
src/ecmascript/spidermonkey/element.c
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@ -1591,6 +1591,7 @@ static bool element_hasAttributes(JSContext *ctx, unsigned int argc, JS::Value *
static bool element_hasChildNodes(JSContext *ctx, unsigned int argc, JS::Value *rval);
static bool element_isEqualNode(JSContext *ctx, unsigned int argc, JS::Value *rval);
static bool element_isSameNode(JSContext *ctx, unsigned int argc, JS::Value *rval);
static bool element_remove(JSContext *ctx, unsigned int argc, JS::Value *rval);
const spidermonkeyFunctionSpec element_funcs[] = {
{ "contains", element_contains, 1 },
@ -1600,9 +1601,11 @@ const spidermonkeyFunctionSpec element_funcs[] = {
{ "hasChildNodes", element_hasChildNodes, 0 },
{ "isEqualNode", element_isEqualNode, 1 },
{ "isSameNode", element_isSameNode, 1 },
{ "remove", element_remove, 0 },
{ NULL }
};
static void
check_contains(xmlpp::Node *node, xmlpp::Node *searched, bool *result_set, bool *result)
{
@ -1862,6 +1865,34 @@ element_isSameNode(JSContext *ctx, unsigned int argc, JS::Value *rval)
return true;
}
static bool
element_remove(JSContext *ctx, unsigned int argc, JS::Value *rval)
{
JSCompartment *comp = js::GetContextCompartment(ctx);
if (!comp || argc != 0) {
return false;
}
JS::CallArgs args = CallArgsFromVp(argc, rval);
JS::RootedObject hobj(ctx, &args.thisv().toObject());
struct ecmascript_interpreter *interpreter = JS_GetCompartmentPrivate(comp);
if (!JS_InstanceOf(ctx, hobj, &element_class, NULL))
return false;
xmlpp::Element *el = JS_GetPrivate(hobj);
if (!el) {
return true;
}
xmlpp::Node::remove_node(el);
return true;
}
JSObject *
getElement(JSContext *ctx, void *node)
{

29
test/ecmascript/remove.html Normal file
View File

@ -0,0 +1,29 @@
<!DOCTYPE html>
<html>
<body>
<p>Click the button to get the value of outer HTML before remove demo.</p>
<button onclick="myFunction()">Try it</button>
<p>Click the button to get the value of outer HTML after remove demo.</p>
<button onclick="myFunction2()">Remove demo</button>
<p id="demo"></p>
<script>
function myFunction() {
var a = document.getElementsByTagName("HTML")[0];
alert(a.outerHTML);
}
function myFunction2() {
document.getElementById('demo').remove();
var a = document.getElementsByTagName("HTML")[0];
alert(a.outerHTML);
}
</script>
</body>
</html>