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Simplify support property detection.

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John-David Dalton
2014-07-30 00:00:22 -07:00
parent 9032cc0ecc
commit 5cbc44610c
3 changed files with 15 additions and 20 deletions
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6
lodash.js
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@@ -852,8 +852,6 @@
Ctor.prototype = { 'valueOf': 1, 'y': 1 };
for (var key in new Ctor) { props.push(key); }
for (var argsKey in arguments) {}
for (var strKey in 'x') {}
/**
* Detect if the `[[Class]]` of `arguments` objects is resolvable
@@ -912,7 +910,7 @@
* @memberOf _.support
* @type boolean
*/
support.nonEnumStrings = strKey != '0';
support.nonEnumStrings = !propertyIsEnumerable.call('x', 0);
/**
* Detect if properties shadowing those on `Object.prototype` are
@@ -1001,7 +999,7 @@
* @type boolean
*/
try {
support.nonEnumArgs = !(hasOwnProperty.call(arguments, 1) && propertyIsEnumerable.call(arguments, 1));
support.nonEnumArgs = !propertyIsEnumerable.call(arguments, 1);
} catch(e) {
support.nonEnumArgs = true;
}