check

Author: nilajcoder

Programs/Exercise/check.js

@@ -9,4 +9,13 @@ const equalto100 =(a,b)=> a===100 || b===100 || (a+b)===100
 
 console.log( equalto100(100,0))
 console.log(equalto100(50,50))
-console.log(equalto100(0,100))
+console.log(equalto100(0,100))
+
+/*
+Wap js get extension of a filename
+*/
+
+const filecheck=(str)=>str.slice(str.lastIndexOf('.'))
+
+console.log(filecheck("abc.html"))
+console.log(filecheck("abc.png"))