register form not validating

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my form is

XML

<form >
        <p>
        Fisrt Name:
         <input id="fname1" class="input" type ="text"/>
        </p>

<pre lang="xml"><button id="sub" class="btn-danger">Save </button>
    </form>







jquery code
&lt;pre lang=&quot;cs&quot;&gt;$(document).ready(function (){
    $(&amp;quot;#sub&amp;quot;).click(function(){  //submit btn
       var  ffname = $(&amp;quot;#fname1&amp;quot;); //fisrst name
       var  lname = $(&amp;quot;#lname1&amp;quot;);
       var  nic = $(&amp;quot;#nic&amp;quot;);
       var  eml1 = $(&amp;quot;#eml&amp;quot;);
       var  tp = $(&amp;quot;#tp&amp;quot;);


        if(ffname.val() ==&amp;quot;&amp;quot;){
            $(&amp;quot;this&amp;quot;).css(&amp;quot;background-color&amp;quot; , &amp;quot;red&amp;quot;);
        }
        else
        {
            $(&amp;quot;this&amp;quot;).css(&amp;quot;background-color&amp;quot; , &amp;quot;green&amp;quot;);
        }

    });

});&lt;/pre&gt;</pre>

Posted 4-Apr-15 6:13am

nuke_infer

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DamithSL · Answer 1 · 2015-04-04T07:27:00

Solution 1

use

JavaScript

$(this).css('background-color', 'red');

instead of

JavaScript

$("this").css("background-color", "red");

note the $(this) or you can can use the control directly as

JavaScript

ffname.css('background-color', 'red');

Posted 4-Apr-15 7:27am

DamithSL