changeButtonText.js

var className = "my_btn";
var amazonText = "Check Price at Amazon";
var walmartText = "Check Price at Walmart";
var emptyText = "Item Unavailable";

function changeButtonText(){
    var myClass = $table.find('tbody .'+className);
    
    $table.find('tbody .'+className+ ' a').each(function(){
        var myVal = $(this).attr('href');
        if(myVal.match('amazon') || myVal.match('amzn')){
            $(this).text(amazonText);
        }
        
        if(myVal.match('walmart')){
            $(this).text(walmartText);
        }
    })
    
    myClass.each(function(){
        if ($(this).is(':empty')){
            $(this).html(emptyText);
        }
    })
}
changeButtonText();

$table.on('after.ft.paging', function () {
    changeButtonText();
});

$table.on("after.ft.filtering", function () {
    changeButtonText();
});