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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