window.opener
Baseline
Widely available
This feature is well established and works across many devices and browser versions. Itâs been available across browsers since â¨2015å¹´7æâ©.
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è¿åæå¼å½åçªå£çé£ä¸ªçªå£çå¼ç¨ï¼ä¾å¦ï¼å¨ window A ä¸æå¼äº window Bï¼B.opener è¿å A.
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var objRef = window.opener;
ä¾å
js
if (window.opener != indexWin) {
referToTop(window.opener);
}
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| Specification |
|---|
| HTML # dom-opener-dev |