JSON.flatten = function(data) { var result = {};
function recurse(cur, prop) { if (Object(cur) !== cur) { result[prop] = cur;
} else if (Array.isArray(cur)) { for (var i = 0, l = cur.length; i < l; i++)
recurse(cur[i], prop + "[" + i + "]"); if (l == 0) result[prop] = [];
} else {
var isEmpty = true; for (var p in cur) {
isEmpty = false;
recurse(cur[p], prop ? prop + "." + p : p);
} if (isEmpty && prop) result[prop] = {};
}
}
recurse(data, ""); return result;
};上述进行扁平化对象的代码中的Object(cur) !== cur是什么意思呢?
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