Get largest number in textarea

by Brett DeWoody

HTML

<textarea>this is a test [1] also this [2] is a test
and again [3] this is a test</textarea>

<button>
Get Largest Number
</button>

<div id="result">
</div>
</div>

JavaScript

$(document).ready(function(){
	$('button').click(function(){
  	var content = $('textarea').val();
    var contentArr = content.split(' ');
    var nums = [];
    
    for (var i = 0; i < contentArr.length; i++) {
      var txt = contentArr[i];
    	if (txt.match(/[\d]/)) {
        nums.push(Number(txt.slice(1,-1)));
      }
    }

    $('#result').text(Math.max.apply(null, nums));
  });
});