Happy Codings - Programming Code Examples

Html Css Web Design Sample Codes

CPlusPlus Programming Sample Codes

JavaScript Programming Sample Codes

C Programming Sample Codes

CSharp Programming Sample Codes

Java Programming Sample Codes

Php Programming Sample Codes

Visual Basic Programming Sample Codes

JavaScript Programming

JavaScript > Code Examples

Working with the Alert, Confirm, and Prompt Methods



Working with the Alert, Confirm, and Prompt Methods
  
<HTML>
<HEAD>
<TITLE>Simple dialogs - I Love Happy Codings :-) I Love Javascript</TITLE>

<SCRIPT> 
   function showAlert(inText) { 
      alert (inText); 
   } 
   function showConfirm(){ 
      if (confirm("True or False?") == true) 
         return "true" 
      else 
         return "false"; 
   } 
   function showPrompt(inText){ 
      var retVal = "" 
      retVal = prompt(inText, "FirstName LastName"); 
      if (retVal == "" || retVal == null) 
         return "nameless one"; 
      else 
         return retVal; 
   } 
   </SCRIPT>
</HEAD>
<BODY>

<FORM Name="theForm">
<TABLE cellspacing=5>
<TR>
<TD>
<INPUT Type=Text Name="alertText" Size=40>
<TD>
<INPUT Type=Button Value="Alert" onClick='showAlert(alertText.value);'>
</TR>
<TR>
<TD>
<INPUT Type=Text Name="decisionText" Size=40>
<TD>
<INPUT Type=Button Value="Confirm" onClick='decisionText.value=showConfirm();'>
</TR>
<TR>
<TD>
<INPUT Type=Text Name="nameText" Size=40>
<TD>
<INPUT Type=Button Value="Prompt" onClick='nameText.value = "Hello, " + showPrompt("What is your name?");'>
</TR>
</TABLE>
</FORM>
</BODY>
</HTML>

Create a File, Write content, Read content
C Programming language code to creating a file, writing content, reading the content. Open myfile.txt for output and write a string to disk. Open myfile.txt for input and read

C++ Code Matrix Multiplication 2D Arrays
Matrix addition is the "operation of adding" 2 matrices by adding the corresponding entries together. 2 dimensional array, represented in the form of "rows and columns", also suitable

Check Palindrome number using recursion
Recursive function in C to Check Palindrome number. Declare recursive function to check palindrome. First give a meaningful name to our function, say isPalindrome(). Along with

Printf Funtion Display Message by Format
Hexadecimal, character, scientific notation (lowercase e), scientific notation (uppercase e), string of characters, unsigned decimal integers. decimal floating point, displays a

Code Swap first and last digit of a number
C program to input a number from user and swap first and last digit of the given number. Input number from user, find last digit, find total number of digit - 1, find first digit. How

C++ Checks Original Equal Reverse or Not
To check that the original number is equal to its reverse or not in C++, enter the number & reverse that number then check that reverse is equal to "original or not", before reversing

C Trim Leading White Spaces from Strings
Program Trim leading white space characters from a string. Remove "Leading Whitespace" characters from the string. Find Last index of whitespace character. White space character

Code Finds the Median of 2 Sorted Arrays
Algorithm finds the median of 2 sorted arrays using binary search approach. Takes the input of 'n' Data Elements of both the arrays. Using decrease, conquer method find the combined