day 9 js interview

Author: nilajcoder

JavaScript Interview/Day 9/demo.js

@@ -0,0 +1,87 @@
+/*
+
+1.  var x = {
+    a: '1',
+    b: '2',
+    a: '3',
+    'b': 4
+}
+console.log(x)// a=3 b=4  { a: '3', b: 4 }
+
+
+2. 
+console.log(!"hii")// false
+
+
+3.  for(let i=0;i<6;i++){     . First loop with let (Block-scoped):
+    setTimeout(function(){
+        console.log(i)
+    },(10))
+}
+for(var i=0;i<6;i++){         Second loop with var (Function-scoped):
+    setTimeout(function(){
+        console.log(i)
+    },(10))
+}
+
+Ans: 1
+2
+3
+4
+5
+6
+6
+6
+6
+6
+6
+
+
+4. let obj={
+    name:'rajyalakshmi'
+}
+let z=obj
+z.name='Adil'
+console.log(obj.name)// adil
+
+
+
+5. let a = 5;
+let b = 10;
+
+// Swap values using arithmetic
+a = a + b;  // a becomes 15  5+10
+b = a - b;  // b becomes 5  15-10
+a = a - b;  // a becomes 10  15-5
+
+console.log(a); // 10
+console.log(b); // 5
+
+
+6. 
+let str = "my name is ram sing";
+
+// Capitalize the first letter of each word
+let result = str.replace(/\b\w/g, char => char.toUpperCase());
+
+console.log(result);  // Output: "My Name Is Ram Sing"
+
+
+
+7. 
+let str = "Ram Sing";
+
+// Split the string into words, swap them, and join them back
+let result = str.split(' ').reverse().join(' ');
+
+console.log(result);  // Output: "Sing Ram"
+
+
+
+*/
+
+
+
+
+
+