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Fix feature test for IE tech preview.

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jdalton
2015-04-10 15:41:48 -07:00
parent 6eb1b98975
commit 65457208e5
1 changed files with 4 additions and 3 deletions
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7
lodash.src.js
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@@ -775,6 +775,7 @@
getOwnPropertySymbols = isNative(getOwnPropertySymbols = Object.getOwnPropertySymbols) && getOwnPropertySymbols, getOwnPropertySymbols = isNative(getOwnPropertySymbols = Object.getOwnPropertySymbols) && getOwnPropertySymbols,
getPrototypeOf = isNative(getPrototypeOf = Object.getPrototypeOf) && getPrototypeOf, getPrototypeOf = isNative(getPrototypeOf = Object.getPrototypeOf) && getPrototypeOf,
push = arrayProto.push, push = arrayProto.push,
preventExtensions = isNative(Object.preventExtensions = Object.preventExtensions) && preventExtensions,
propertyIsEnumerable = objectProto.propertyIsEnumerable, propertyIsEnumerable = objectProto.propertyIsEnumerable,
Set = isNative(Set = context.Set) && Set, Set = isNative(Set = context.Set) && Set,
setTimeout = context.setTimeout, setTimeout = context.setTimeout,
@@ -796,13 +797,13 @@
/** Used as `baseAssign`. */ /** Used as `baseAssign`. */
var nativeAssign = (function() { var nativeAssign = (function() {
var object = Object('x'), var object = { '1': 0 },
func = isNative(func = Object.assign) && func; func = preventExtensions && isNative(func = Object.assign) && func;
// Avoid `Object.assign` in Firefox 34-37 which have an early implementation // Avoid `Object.assign` in Firefox 34-37 which have an early implementation
// with a slower try/catch behavior. See https://bugzilla.mozilla.org/show_bug.cgi?id=1103344 // with a slower try/catch behavior. See https://bugzilla.mozilla.org/show_bug.cgi?id=1103344
// for more details. // for more details.
try { func(object, 'xo'); } catch(e) {} try { func(preventExtensions(object), 'xo'); } catch(e) {}
return !object[1] && func; return !object[1] && func;
}()); }());