add all 80 default parameter

coder-harsh · coder-harsh · commit bd2741934147 · 2023-03-23T14:56:17.000+05:30
diff --git a/80-default-parameter.html b/80-default-parameter.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Default parameters</title>
+    <link rel="stylesheet" type="text/css" href="">
+</head>
+
+<body>
+
+    <script src="js/80-default-parameter.js"></script>
+</body>
+
+</html>
diff --git a/js/80-default-parameter.js b/js/80-default-parameter.js
@@ -0,0 +1,34 @@
+
+/*function talk(msg) {
+    console.log(msg);
+}
+
+
+talk("hello"); //hello
+
+//now we forgot to pass the parameter
+talk(); //undefined
+
+
+//default parameter means kuchh pass na ho to kuchh default pass hone chahiye.
+function talk(msg = "hi") { //agar str h to "" m denge. agar normal no h to msg=2 is tarh denge
+    console.log(msg);
+}
+
+
+talk(); //hi
+talk("bro"); //bro
+talk(3); //3
+*/
+//means jb kuchh parameter nhi pass kare to function ka by default argument set karna taki undefiend nhi aaye.
+
+
+
+function talk(msg = "hi", num = 3) {
+    console.log(msg);
+    console.log(num);
+}
+talk("hero");  //hero
+talk(); //hi 3
+talk("hk", 4);  //hk,4
+talk(6);  //6 3
