interviw questions day 1 js

Author: nilajcoder

JavaScript Interview/Day 1/arraymul.js

@@ -0,0 +1,17 @@
+
+
+/*
+acc   curr
+1  * 2       2
+2  * 3       6
+6*   4       24
+and so on
+
+*/
+
+
+const arr = [1, 2, 3, 4, 5, 6]
+
+const result = arr.reduce((acc, curr) => acc * curr)
+                                                         
+console.log(result)//720   

JavaScript Interview/Day 1/emptyarr.js

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+const arr = [2, 3, 4, 5, 6]
+
+//arr.length = 0;
+//arr = [];
+arr.splice(0, 5)//// Removes 5 elements starting from index 0
+console.log(arr)

JavaScript Interview/Day 1/fun1.js

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+console.log(abc())
+
+function abc(){
+    console.log("pqr") // this function doest not returning anything thats why undefined
+}
+
+abc()
+// pqr undefined pqr

JavaScript Interview/Day 1/fun2.js

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+/*
+
+
+The code demonstrates the use of a higher-order function and function chaining.
+*/
+
+
+
+function abc(){
+    return function(){
+        console.log("Rahul")
+    }
+}
+
+console.log(abc()())//rahul undefined
+
+//abc()() rahul

JavaScript Interview/Day 1/fun3.js

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+function infiniteCurry(val1){
+    return function(val2){
+        if(!val2){
+            return val1;
+        }
+        return infiniteCurry(val1 + val2)
+    }
+}
+
+console.log(infiniteCurry(1)(2)(3)(4)(5)(6)())//21

JavaScript Interview/Day 1/var.js

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+const c = {
+    name: "rahul"
+}
+
+const d=c; //adrees object will be copied there 
+c.name = "kumar"
+console.log(d.name)//kumar