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Simple HTML Form Elements For Registration Page Example

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<!DOCTYPE html> <html lang="en">     <head>         <title>Form Elements</title>         <link href="bootstrap.min.css" rel="stylesheet" type="text/css"  />         <style type="text/css">             .Mycontainer{                 margin-left: 30px;                 margin-right: 50px;                 margin-top: 10px;             }             .mb10{                 margin-bottom: 10px;             }         </style>     </head>     <body>         <div class="Mycontainer">             ...
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Validation Code For Phone Number Using preg_match() in Php

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Phone Number Validation Using preg_match() Below code shows validation of Phone Number 1)Checking whether user input (Phone Number) contains an alphabet in Phone Number          <?php         $mobile_no="123fdgdg890";        if(preg_match("/[a-z][A-Z]/i", $mobile_no))        {   echo "Invalid Phone Number!";        }else{                echo "Valid Phone Number!";        }      ?> Output :Invalid Phone Number! Syntax preg_match("/[a-z][A-Z]/i", $mobile_no) The above syntax will verify whether given phone number is well-formed or not.if it is not, it will show an error message. The    preg_match()  function helps to find whether a given variable is valid or not. 2 )Checking whether user input (Phone Number) contains 10 digits in Phone Number      <?php...
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How to change the background color using JavaScript?

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How to change the background color using JavaScript? 1. To Change the entire web page background color use below code           document.body.style.backgroundColor ="#000" 2.  Change the background color of an element using ID            <p id="MyParagraph">Hiiii..How are you?</p>           <script type="text/javascript">                   $(window).on("load", function() {                    document.getElementById("MyParagraph").style.backgroundColor="red";             });         </script>                                                           ...
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