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.

Using jQuery Selectors to Locate Page Elements

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 jquery select option value checked 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 jquery select option value checked save cycles with a simple null check.

Javascript Beginners – Select a dropdown option by value « imranul hoque's blog

The value of the options will never be undefined but the value passed in may be. A simple check here will be more maintainable then 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 stock market wikipedia india item. Once the correct value has been identified and selected, there is no need to check the remaining values. Or in other words: Refer this article which have explained how to Select a dropdown element using javascript.

Refer this article which have explained how to Select a dropdown element using JavaScript and Jquery. 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. E-Mail required will not be published.

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