Check if image link is broken in page and replace it with the alt text and open the blank page when user click on it

$('img').each(function(  ) {
            $( this ).error(function(){
                        var img_path = $(this).attr('src');
                        var img_alt = $(this).attr('alt');
                        $(this).after('<a href='+img_path+' target=_blank>'+img_alt+'</a>');
                        $(this).hide();
});

In above code-

$('img').each(function( ) { : This function will search all image link on the page

$( this ).error(function(){ : this will check whether image exists or not.

var img_alt = $(this).attr('alt'); : it will get the alt attribute of the image link.

$(this).after(''+img_alt+''); this will replace the entire image with the alt text or alt attribute.