Add options to an HTML select box with Javascript - Electric Toolbox

A very simple and common issue a Javascript newbie often faces is how to select a dropdown option dynamically by value. People who are working for long with Javascript would solve it in minutes, but hey, this is for a newbie, remember?

I have put an id in the select field to make it easy to get it by ID in a bunch of select fields. What we need to do is, first get the element object and pass it to the function along with the value you want to select. Lets say, we want to select Three. So our Javascript code should look like this:. One Two Three Four Select Four Select Three Select Two Select One. This entry was posted on June 27,7: You can follow any responses to this entry through RSS 2.

You can leave a responseor trackback from your own site. Hunter on June 24, - 1: This just saved my life! Making 3 simple changes to the code above will give the function a major boost in performance. A difference can really be seen in selects with hundreds of options. Also, we are no longer limited to the number of characters that one may use for identifier names so please everyone stop abbreviating.

If you know none of your options will have a value of null, you can save cycles with a simple null check. The value of the options will never be undefined but the value passed in may be.

A simple check here will be more maintainable real return strategy binary options placing it everywhere the function is called. It does take a fraction of time to check element.

In this scenario, we are dealing with a single selected item. Once the select option in javascript dynamically select value has been identified and select option in javascript dynamically select, there is no need to check the remaining values. Or in other words: Refer this article which have explained how to Forex money management chart a dropdown element using javascript.

Refer this article which have explained how to Select a dropdown element using JavaScript and Jquery.

javascript - set option "selected" attribute from dynamic created option - Stack Overflow

I have to thank you for the efforts you have put in penning this blog. I am hoping to see the same high-grade blog posts from you in the future as well. We may have a hyperlink trade arrangement between us.

Javascript Beginners — Select a dropdown option by value. Comments 17 Trackbacks 3.

Dynamically Setting the selected option in a select box - JavaScript - The SitePoint Forums

E-Mail required will not be published. JavaScript Home Work for 1st Sept. Anne's Place Homework for first day of Spring.

My Photo Stream Flickr. Recent Posts Zencart 1.

Categories AJAX Apache Browser Compatibility Google Map HTML Javascript Joomla Linux magento Miscellaneous Mysql Payment Gateway Photography PHP Programming Project Management Windows Zencart. PHP Tips Abu Musa's Blog. Tags redirect access-remote-file AJAX file upload Apache Browser curl Debug IE6 Debug Old IE duplicate entries duplicate table entries Geocoding Google Map hover ie6 IE7 IE8 index.