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1  var a = $.extend(false,{b:'c'},{a:{name:'john'},c:'f'}); 2  3  console.log(a); 4  5 var a = { }; 6 var b = { c:{age:30,name:'john'},d:'4' }; 7  8 var c = $.extend(true,a,b); 9  a.c.age=50;10  a.d=3;11  console.log(a.c.age);12 13 console.log(c);