判断两个对象相等

<script>

   var a = {
      name: 'jk',
      age: 12,
      say: {
         today: 'hi',
         yesterday: 'no'
      },
        arr: [1,2]
   };

   var b = {
      name: 'jk',
      age: 12,
      say: {
         today: 'hi',
         yesterday: 'no'
      },
      arr: [1,2]
   };

   console.log(isObjectValueEqual(a, b));

   function isObjectValueEqual(a, b) {
      if (typeof a == 'number' && typeof b == 'number') {
         return a == b
      }


      var aProps = Object.getOwnPropertyNames(a);
      var bProps = Object.getOwnPropertyNames(b);

      if (aProps.length != bProps.length) {
         return false;
      }

      for (var i = 0; i < aProps.length; i++) {
         var propName = aProps[i];
         console.log(propName, Object.prototype.toString(a[propName]));
         //if (Object.prototype.toString(a[propName]) == '[Object Object]' || Object.prototype.toString(b[propName]) == '[Object Object]') {
            if ( typeof a[propName] === 'object' || typeof b[propName] === 'object' ){
            console.log(a[propName], b[propName]);
            isObjectValueEqual(a[propName], b[propName])
         }else if (a[propName] !== b[propName]) {
            return false;
         }
      }
      return true;
   }
</script>