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Core: Use Array.prototype.flat where supported
Calling `Array.prototype.concat.apply( [], inputArray )` to flatten `inputArray` crashes for large arrays; using `Array.prototype.flat` avoids these issues in browsers that support it. In case it's necessary to support these large arrays even in older browsers, a polyfill for `Array.prototype.flat` can be loaded. This is already being done by many applications. (cherry picked from 9df4f1d) Fixes jquerygh-4320 Closes jquerygh-4459
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,16 @@ | ||
define( [ | ||
"./arr" | ||
], function( arr ) { | ||
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"use strict"; | ||
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// Support: IE 9 - 11+, Edge 18+, Android Browser 4.0 - 4.3 only, iOS 7 - 11 only, Safari 11 only, | ||
// Firefox <= 61 only | ||
// Provide fallback for browsers without Array#flat. | ||
return arr.flat ? function( array ) { | ||
return arr.flat.call( array ); | ||
} : function( array ) { | ||
return arr.concat.apply( [], array ); | ||
}; | ||
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} ); |
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