Change the text content and styles of the ProgressButton during progress

<ejs-progressbutton id="upload" content="Upload" enableProgress="true" cssClass="e-hide-spinner" duration="4000" begin="begin" end="end"></ejs-progressbutton>

<script>
    function begin() {
        this.content = 'Uploading...';
        this.cssClass = 'e-hide-spinner e-info';
        this.dataBind();
    }

    function end() {
        this.content = 'Success';
        this.cssClass = 'e-hide-spinner e-success';
        this.dataBind();
        setTimeout(() => {
            this.content = 'Upload';
            this.cssClass = 'e-hide-spinner';
            this.dataBind();
        }, 500)
    }
</script>

public ActionResult Default()
{
        return View();
}