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Remove polyfills for ES5 features #2

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Remove polyfills for ES5 features #2

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17 changes: 2 additions & 15 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ module.exports = function (obj, opts) {
if (typeof node !== 'object' || node === null) {
return JSON.stringify(node);
}
if (isArray(node)) {
if (Array.isArray(node)) {
var out = [];
for (var i = 0; i < node.length; i++) {
var item = stringify(node, i, node[i], level+1) || JSON.stringify(null);
Expand All @@ -48,7 +48,7 @@ module.exports = function (obj, opts) {
}
else seen.push(node);

var keys = objectKeys(node).sort(cmp && cmp(node));
var keys = Object.keys(node).sort(cmp && cmp(node));
var out = [];
for (var i = 0; i < keys.length; i++) {
var key = keys[i];
Expand All @@ -67,16 +67,3 @@ module.exports = function (obj, opts) {
}
})({ '': obj }, '', obj, 0);
};

var isArray = Array.isArray || function (x) {
return {}.toString.call(x) === '[object Array]';
};

var objectKeys = Object.keys || function (obj) {
var has = Object.prototype.hasOwnProperty || function () { return true };
var keys = [];
for (var key in obj) {
if (has.call(obj, key)) keys.push(key);
}
return keys;
};
2 changes: 1 addition & 1 deletion package.json
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Expand Up @@ -14,7 +14,7 @@
"testling": {
"files": "test/*.js",
"browsers": [
"ie/8..latest",
"ie/9..latest",
"ff/5", "ff/latest",
"chrome/15", "chrome/latest",
"safari/latest",
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