jquery issue with IE8

Question

As a step to learn jQuery, I am trying to create Sudoku, in which I generated numbers in div blocks from 1 to 89 (leaving 10 divisible numbers). My code works good in Google chrome but IE8 generates the div id's differently.

Please check this fiddle

I highly doubt the error must be because of incompatibility of some methods of jQuery. The problem could be in the following steps:

var lastNumId = parseInt(_idGen.toString().substr(-1), 10);
var secondLastNumId = parseInt(_idGen.toString().charAt(_idGen.length - 2), 10);

In the above lines to do the same, I used different techniques because if I do so then it is working in Chrome.

If parseInt seems to be the problem try just using Number(str) or even +str, and see if that does it... — elclanrs
– elclanrs, Commented Jan 26, 2013 at 8:30
@elclanrs I used var lastNumId = Number(_idGen.toString().substr(-1));.. still same.. in IE8 — Mr_Green
– Mr_Green, Commented Jan 26, 2013 at 8:33
Those have nothing to do with jQuery... they're plain JavaScript. — JJJ
– JJJ, Commented Jan 26, 2013 at 9:00

Guffa · Accepted Answer · 2013-01-26 08:41:52Z

4

Using a negative index in substr is not supported by IE until version 9.

Just use the modulo operator to get the last digit of the number. This works in IE8 also:

var lastNumId = _idGen % 10;

answered Jan 26, 2013 at 8:41

Guffa

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1 Comment

Mr_Green Over a year ago

Thanks this is working.. I thought it doesnt convert string to int automatically.

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