/*兩個Json 對象比較*/ function isObj(object) { return object && typeof(object) == 'object' && Object.prototype.toString.call(object).toLowerCase() == "[object object]"; } function isArray(object) { return object && typeof(object) == 'object' && object.constructor == Array; } function getLength(object) { var count = 0; for(var i in object) count++; return count; } function Compare(objA, objB) { if(!isObj(objA) || !isObj(objB)) return false; //判斷類型是否正確 if(getLength(objA) != getLength(objB)) return false; //判斷長度是否一致 return CompareObj(objA, objB, true); //默認為true } function CompareObj(objA, objB, flag) { for(var key in objA) { if(!flag) //跳出整個循環 break; if(!objB.hasOwnProperty(key)) { flag = false; break; } if(!isArray(objA[key])) { //子級不是數組時,比較屬性值 if(objB[key] != objA[key]) { flag = false; break; } } else { if(!isArray(objB[key])) { flag = false; break; } var oA = objA[key], oB = objB[key]; if(oA.length != oB.length) { flag = false; break; } for(var k in oA) { if(!flag) //這里跳出循環是為了不讓遞歸繼續 break; flag = CompareObj(oA[k], oB[k], flag); } } } return flag; }
https://blog.csdn.net/github_38771368/article/details/76984673