day 10 js interview

Author: nilajcoder

JavaScript Interview/Day 10/demo.js

@@ -0,0 +1,88 @@
+/*
+
+1.
+
+
+console.log('a'-1)//nan
+console.log('tilak'+100)
+
+console.log(+false)//0
+console.log(+true)//1
+console.log(+null)//0
+console.log(+undefined)//NaN
+console.log(!"Nilaj")//false
+
+console.log(null == undefined); // true because both are equal in value null is equal to undefined
+console.log(null === undefined); // false because both are not equal in type undefind type is undefined and null type is object.
+
+console.log(NaN == NaN); // false because nan is false in value and type is number
+console.log(NaN === NaN);//false
+
+console.log(typeof(NaN))//number
+console.log(NaN)NAN
+console.log(NaN==4) //false
+console.log(NaN=="4")//falsy
+console.log(NaN!=4)//true
+console.log(NaN==true)// false
+console.log(NaN==false) //false
+
+
+2. 
+const a = {}
+const b = {
+    name: 'tilak'
+}
+const c = {
+    name: 'ram'
+}
+a[b] = {
+    name: 'ankit'
+}
+a[c] = {
+    name: 'rahul'
+}
+
+console.log(a[b]);//rahul
+
+
+
+3. 
+let arr = [5, 3, 8, 1, 2];
+
+// Sort the array using a callback function
+arr.sort((a, b) => a - b);  // Ascending order
+
+console.log(arr);  // Output: [1, 2, 3, 5, 8]
+
+
+
+
+4.  function infiniteCurry(val1){
+    return function(val2){
+        if(!val2){
+            return val1;
+        }
+        return infiniteCurry(val1 + val2)
+    }
+}
+
+console.log(infiniteCurry(1)(2)(3)())
+
+
+
+5. //Array destructuring
+let arr = [1, 2, 3];
+
+// Destructuring the array into variables
+let [a, b, c] = arr;
+
+console.log(a);  // Output: 1
+console.log(b);  // Output: 2
+console.log(c);  // Output: 3
+
+*/
+
+
+
+
+