Update README.md

Author: mguler

README.md

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 # linq-extensions-for-javascript
 some extension methods for javascript's array object to implement .net's linq style queries
+
+### example query: 
+
+var people = [{name:"wolfgang", lastnane:"Fischer",age:50},{name:"ali",lastname:"Çelik",age:20},{name:"john",lastane:"Bradford",age:35}...];
+
+var underFifty = people.where(person=>person.age < 50).select(person=>{fullname:person.name + " " + person.lastname});