20 buttons in row

by Krishna Ananthi

HTML

<!-- Enter your HTML code here -->
 <html>
     <body>
          
     </body>
</html>

CSS

.container{
    width:100%;
}
button{ 
  margin:1px; 
  float:left;
  width:4.9%;
}

JavaScript

// Add your javascript here
document.write("<div class='container'>");
for(var i = 0; i < 20; i++) {
     document.write("<button onclick='alert("+(i + 1)+")'>Button " + (i + 1) +"</button>");
}
document.write("</div>");