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More robust Function.prototype.name check. See #12294

Mr.doob 7 年之前
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2dfd847131
共有 1 个文件被更改,包括 1 次插入1 次删除
  1. 1 1
      src/polyfills.js

+ 1 - 1
src/polyfills.js

@@ -33,7 +33,7 @@ if ( Math.sign === undefined ) {
 
 
 }
 }
 
 
-if ( Function.prototype.name === undefined ) {
+if ( 'name' in Function.prototype === false ) {
 
 
 	// Missing in IE
 	// Missing in IE
 	// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name
 	// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name