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fix: cleanup iframe first to prevent memory leaks, see #1609

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This commit is contained in:
yuyuyzl 2022-09-06 10:28:22 +08:00
parent 6020386bbe
commit 485a49e451
1 changed files with 10 additions and 0 deletions
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10
src/dom/document-cloner.ts
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@ -479,6 +479,16 @@ export class DocumentCloner {
} }
static destroy(container: HTMLIFrameElement): boolean { static destroy(container: HTMLIFrameElement): boolean {
// cleanup iframe first to prevent memory leaks, see #1609
try{
const iframe=container.contentWindow;
container.src='about:blank';
if(iframe) {
iframe.document.write('');
iframe.document.clear();
iframe.close();
}
}catch {}
if (container.parentNode) { if (container.parentNode) {
container.parentNode.removeChild(container); container.parentNode.removeChild(container);
return true; return true;