加入可选链的判断

2021-08-18 00:01:29 +08:00 · 2021-08-18 00:01:29 +08:00 · c2299f6f0e
parent b011c9ca4a
commit c2299f6f0e
1 changed files with 1 additions and 1 deletions
--- a/browser-compatibility.js
+++ b/browser-compatibility.js
@ -1,6 +1,6 @@
 let needUpdateBrowser = (()=>{
 	try {
-		return !Boolean(eval("undefined ?? true"));
+		return !Boolean(eval("undefined?.undefined?.undefined ?? true"));
 	} catch (e) {
 		if (e.name !== 'SyntaxError') throw e // Throw the error if it is not a SyntaxError
 		return true;