6,7c6
<  var bi=false;
<  
---
> 
12,27d10
< function biwarn(xx, yy) {
<   var x=BigInt('' + xx);
<   var y=BigInt('' + yy);
<   //if (Number.isSafeInteger(x)) {
<     document.getElementById('result').innerHTML='<textarea style="width:90%;">' + (x ** y) + '</textarea>';
<     //alert('Precision safe for Math.pow(' + document.getElementById('base').value + ',' + document.getElementById('tpo').value + ')=' + Math.pow(document.getElementById('base').value, document.getElementById('tpo').value));
<   //} else if (('' + x).indexOf('-') != -1) {
<     //document.getElementById('result').innerHTML='Precision may be lost!  Lowest integer that can be handled is ' + Number.MIN_SAFE_INTEGER + ' versus ' + BigInt(x);
<     //alert('Precision may be lost!');
<   //} else {
<     //document.getElementById('result').innerHTML='Precision may be lost!  Highest integer that can be handled is ' + Number.MAX_SAFE_INTEGER + ' versus ' + BigInt(x);
<     //alert('Precision may be lost!');
<   //}
<   return false;
< }
< 
57c40
< <form onsubmit="if (bi) {  return biwarn('' + document.getElementById('base').value, '' + document.getElementById('tpo').value); } return warn(Math.pow(document.getElementById('base').value, document.getElementById('tpo').value));" method=GET action='./number_checks.html'>
---
> <form onsubmit="return warn(Math.pow(document.getElementById('base').value, document.getElementById('tpo').value));" method=GET action='./number_checks.html'>
61c44
< <tr><td><input onclick='bi=false;' type=submit value="Check as Normal Integer" style='background-color:yellow;'></input><br><br><input onclick='bi=true;' type=submit value="Check as BigInt" name=bigint style='background-color:orange;'></input></td><td id=result></td></tr>
---
> <tr><td><input type=submit value="Check as Normal Integer" style='background-color:yellow;'></input></td><td id=result></td></tr>