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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 10:36:07 +08:00
parent 485a49e451
commit 96cc89a27d
1 changed files with 5 additions and 5 deletions
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10
src/dom/document-cloner.ts
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@ -480,15 +480,15 @@ export class DocumentCloner {
static destroy(container: HTMLIFrameElement): boolean { static destroy(container: HTMLIFrameElement): boolean {
// cleanup iframe first to prevent memory leaks, see #1609 // cleanup iframe first to prevent memory leaks, see #1609
try{ try {
const iframe=container.contentWindow; const iframe = container.contentWindow;
container.src='about:blank'; container.src = 'about:blank';
if(iframe) { if (iframe) {
iframe.document.write(''); iframe.document.write('');
iframe.document.clear(); iframe.document.clear();
iframe.close(); iframe.close();
} }
}catch {} } catch {}
if (container.parentNode) { if (container.parentNode) {
container.parentNode.removeChild(container); container.parentNode.removeChild(container);
return true; return true;