<html> <head> <title>Form Validation</title> <script> function validate() { var b=document.frm1.txtEmail.value; var len=b.length; var a='@'; var dot='.'; var valid1,valid2; //form validation for First Name if(document.frm1.txtFirstName.value=="") { alert("The First Name is Empty"); …
form validation using JavaScript Read More<script> function validate() { var msg; if(document.form.strength.value.length>8) { msg="Strong"; } else if(document.form.strength.value.length>3) { msg="Good"; } else { msg="Poor"; } document.getElementById('pw').innerHTML=msg; } </script> <h1>CHECK STRENGTH OF PASSWORD</h1> <form name="form"> <input type="password" …
check password strength using JavaScript Read More<!DOCTYPE html> <html> <head> <script> function matchpass() { var firstpassword=document.f1.password.value; var secondpassword=document.f1.password2.value; if(firstpassword==secondpassword){ return true; } else{ alert("password must be same!"); return false; } } </script> </head> <body> <form name="f1" …
Validate Password in JavaScript Read More<html> <head> <script> function palin() { var n,r,sum=0,temp; n=Number(document.getElementById(“no_input”).value); temp=n; while(n>0) { r=n%10; sum=sum*10+r; n=parseInt(n/10); } if(sum==temp) { alert("Palindrome Number"; } else { alert("Not Palindrome Number"); } } </script> </head> …
Palindrome or Not using JavaScript Read More<html> <head> <script> function setCase (caseType) { var firstNameString; var lastNameString; firstNameString = document.myForm.firstName.value; lastNameString = document.myForm.lastName.value; if (caseType == "upper ") { document.myForm.firstName.value = firstNameString.toUpperCase(); document.myForm.lastName.value = lastNameString.toUpperCase(); } …
Change case using JavaScript Read More<html> <body> <h2>Switch case, generates system date </h2> <p id="demo"></p> <script> let day; switch (new Date().getDay()) { case 0: day = "Sunday"; break; case 1: day = "Monday"; break; case …
Switch Case example in JavaScript Read More<script> function canVote(age) { if (age >= 18) { return " Eligible to vote. " ; } else { return " Not eligible to vote. " ; } } let …
A person can Vote or not using JavaScript Read More<html> <body> <h3>Conditional using JavaScript child, teen, young,adult, old ,</h3> <p>Enter age: <input type="number" id="age"></p> <input type="button”"value="CLICK HERE" onclick=”"check()"/> <script> function check() { var ag=document.getElementById(‘age’).value; ag=parseInt(ag); if(Number.isInteger(ag)) { if (ag<=13) …
Conditional Statement in JavaScript Read More/*fibonacci series*/ <html> <head> </head> <body> <script> var a=0, b=1, c, i; var num=parseInt(prompt("Enter for limit")); for (i=1;i<=num;i++) { document.write("<br>" + a); c=a+b; a=b; b=c; } </script> </body> </html>
Fibonacci Series using JavaScript Read More