May 15, 2009 · var odd = $$('.a').filter(function(item, index) { return index % 2 == 0; }); var even = $$('.a').filter(function(item, index) { return index % 2 == 1; }); Edit: it seems you already …

Write a function to check if a number is odd or even. If the number is even, return "Even" ; otherwise, return "Odd" . For example, if num = 4 , the expected output is "Even" .

Jan 20, 2024 · Master the Odd Even Program in JavaScript. Learn how to efficiently check if a number is odd or even using 5 various code techniques. Learn now!

Add class (odd and even) in HTML via JavaScript - To add class, use nth-child (odd) and nth-child (even). Following is the code −Example Live Demo Document.

Mar 18, 2015 · How do I add odd/even class only for table rows which haven´t had odd/even class yet?

Apr 23, 2015 · I need to insert a class attribute of "odd" or "even" for each paragraph in the HTML displaying using the modulo and ternary operator. I extracted the paragraph element, but I am …

Jun 30, 2013 · var rowIdx = 0; var actualClass = "odd"; $('.col').each(function(){ var $col = $(this); var $span = $col.find("span").eq(rowIdx); if ($span.length > 0) { $span.addClass(actualClass); …

Feb 16, 2011 · Use the bitwise AND operator. return ( x & 1 ) ? "odd" : "even"; document.getElementById("result").innerHTML = "Number " + argNumber + " is " + …

Apr 28, 2025 · A faster way to check if a number is even or odd is by using the Bitwise AND Operator (&). This checks the last bit of a number. If the last bit is 1, the number is odd. If the …

Jun 2, 2011 · return n === 0 || !!(n && !(n%2)); return isEven(Number(n) + 1); That is OK if n is with certain parameters, but fails for many scenarios.