Print Array Elements Using HTML Table

Here is the Solution of how to print array element in HTML table. HTML Code: <p id=”demo”></p> JavaScript Code: var fruits, text, fLen, i; fruits = [“Banana”, “Orange”, “Apple”, “Mango”]; fLen = fruits.length; text = “<table border=’1′><tr><th>Index</th><th>Data</th></tr>”; for (i = 0; i < fLen; i++)...

Simple Exam Grading System

This is very simple grading system based on single subject marks. var mark=60 if(mark>60) { document.write(“pass”); } else{ document.write(“Fail”) } */ var mark=prompt(“Enter Mark”); if(mark>100) { document.write(“Invalid”); } else if(mark>90) { document.write(“A”); } else if(mark>80) { document.write(“B”); } else if(mark>70) { document.write(“C”); } else if(mark>60)...

HTML form data retrieve using javascript

Javascript data retrieve from HTML Form: Js: function display(){ var fname=document.forms[‘myForm’][‘fname’].value; document.getElementById(‘demoName’).innerHTML=fname; var gender=document.forms[‘myForm’][‘gender’].value; document.getElementById(‘demoGender’).innerHTML=gender; var hobb=document.forms[0]; var hob =””; for(i=0; i<hobb.length;i++){ if(hobb[i].checked){ hob=hob+hobb[i].value+”, “; } } document.getElementById(‘demoGHobby’).innerHTML=hob; var en=document.forms[1]; var entry =””; for(i=0; i<en.length;i++){ if(en[i].checked){ entry=entry+en[i].value+”, “; } } document.getElementById(‘demoEntry’).innerHTML=entry; } HTML Form: <form...

Array Basic Expalanation

Array is a special type of variable that can hold/contain more than one value at a time. Look at the example bellow var city1=”Dhaka”; var city2=”New York”; var city3=”Sydney”; var city4=”London”; In the above example, there are four variables and every variable contain one value...

Find Factorial Value from Input Number

Source: var n; function calculatefactorial(n){ if(n==0){ return 1; }else{ return n*calculatefactorial(n-1); } } var number=prompt(“Enter a Numver: “,”1”); alert(calculatefactorial(number)); document.writeln(“Factorial of Your input (“+number+”) “+”is: “+calculatefactorial(number)); Download Complete Source Code

Check Prime Number From Start to End Number

Source: function isPrime(num){ var n=Math.sqrt(num); for(i=2;i<=n;i++){ if(num%i==0) return false; } return true; } function checkPrimeNumbers(startNum, endNum){ for(startNum; startNum<=endNum; startNum++){ if(isPrime(startNum)){ document.writeln(startNum+” “+”Is Prime”); document.writeln(“<br/>”); }else{ document.writeln(startNum+” ” +”Is not prime”); document.writeln(“<br/>”); } } } Download Complete Source Code