jquery - Wanting to check for a css class and if it's active change the image src value -


here have far, isn't working right , not sure why. thoughts?

jquery(document).ready(function( $ ) {   if ( $('#masthead').hasclass('is-fixed') ) {     $('.site-logo-div').attr('src','second.jpg');   } })( jquery );

edits: html

    <header id="masthead" class="site-header header-fixed" role="banner" style="top: 32px;">  <div class="site-logo-div"><a href="https://danzerpress.com/" class="custom-logo-link"> <imgsrc="https://example.com" class="custom-logo" alt="" itemprop="logo" "></a> </div>

wordpress themes js

 $( document ).scroll( function(){         var header_parent = header_fixed.parent();         var p_to_top = header_parent.offset().top;         var st = $( document ).scrolltop();         if( st > p_to_top && st > 0 ) {             $wrap.addclass( 'is-fixed').removeclass( 'no-scroll' );             header_fixed.addclass('header-fixed');             header_fixed.css( 'top', topbar+'px' );         } else {             header_fixed.removeclass('header-fixed');             header_fixed.css( 'top', 'auto' );             $wrap.removeclass( 'is-fixed' ).addclass( 'no-scroll' );         }     });  }

});

jquery(document).ready(function( $ ) {   if ( $('#masthead').hasclass('is-fixed') ) {     $('.site-logo-div img').attr('src','second.jpg');   } })( jquery );

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