day 3 js Loops & Strings

nilajcoder · nilajcoder · commit 255ea2deae48 · 2023-11-20T00:24:52.000+05:30
diff --git a/Chapter 3 Loops & String.docx b/Chapter 3 Loops & String.docx
diff --git a/Loops/index.html b/Loops/index.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body>
+    
+</body>
+<script src="scripts.js"></script>
+</html>
diff --git a/Loops/scripts.js b/Loops/scripts.js
@@ -0,0 +1,79 @@
+//Loops for loop
+
+for(let i=1;i<=5;i++){
+    console.log("Hello world");
+}
+
+//print 1 to 5
+
+for(let i=1;i<=5;i++){
+    console.log(i);
+}
+
+//calculate sum of 1 to n
+let sum=0;
+let n=5;
+for(let i=1;i<=n;i++){
+    sum=sum+i;
+}
+console.log("Sum of n numbers =",sum);
+
+//while loop
+let i=1;
+while(i<=5){
+    console.log("i=",i);
+    i++;
+}
+
+//do while 1 to 5
+let c=1;
+do{
+    console.log("c=",c);
+    c++;
+} while(c<=5);
+
+//for of loop
+
+let str="java";
+let size=0;
+for(let i of str){
+    console.log("i=",i);
+    size++
+}
+console.log("length of a string",size);
+
+//for in loop used in accessing the object
+let student={
+    name: "Nilaj",
+    cgpa:9.34,
+    age:26,
+    ispass: true,
+};
+for(let key in student){
+    console.log("key=",key,"value =",student[key]);   
+}
+
+//Q1 print all even numbers 0 to 100
+
+num=100;
+for(let i=0;i<=num;i++){
+    if(i%2==0){
+        console.log("i=",i)
+    }
+}
+// print all odd numbers 0 to 5
+num=5;
+for(let i=0;i<=num;i++){
+    if(i%2!==0){
+        console.log("i=",i)
+    }
+}
+
+
+//Q2 
+let gnum=25;
+let usernum=alert("Guess the game number");
+while(usernum!=gnum){
+    usernum=prompt("You enter Wrong number.Guess Again");
+}
+console.log("Congratulation You Enterted Correct number");
diff --git a/String/index.html b/String/index.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body>
+    
+</body>
+<script src="scripts.js"></script>
+</html>
diff --git a/String/scripts.js b/String/scripts.js
@@ -0,0 +1,58 @@
+//String is a sequence of  characters used to represents text
+
+let str="Java";
+console.log("String is=",str);
+let len=str.length
+console.log("Length of String=",len);
+//print the 0th index  
+console.log(str[0]);
+
+let obj={
+    item:"pen",
+    price:10,
+};
+let output=`the cost of ${obj.item} is ${obj.price} rupees`;
+console.log(output);
+
+//Template Literals
+let specialstring=`This is a template literals`;
+console.log(specialstring);
+console.log(typeof specialstring);
+
+//uppercase lower case
+let str1="DeVOps";
+let str2=str1.toUpperCase();
+console.log("Upercase =",str2);
+let str3=str1.toLowerCase();
+console.log("Lowercase=",str3);
+
+//trim removes white spaces
+let abc="  Java  ";
+console.log(abc.trim());
+
+//slice
+let bcd="hello";
+console.log(bcd.slice(0,3));
+
+//concat
+let a="Rohit";
+let b=" Sharma";
+let res=a.concat(b);
+let c= a+b;
+console.log(res);
+console.log(c);
+
+
+//replace
+let bbc="hello";
+console.log(bbc.replace("h","m"));
+
+//char at
+let acd="ilovejs";
+console.log(acd.charAt(0));
+
+
+//Q1
+let fullname=prompt("Enter your Fullname");
+let username="@"+fullname+fullname.length;
+console.log(username);
