Programmatically Preselect Dropdown Using Javascript

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So if we wish to pre-select item 3 for the above example, we can use From time-to time it may be the case that the item required for pre-selection is not known until an event occurs on the page after the page has been rendered. There is a method that uses javascipt to manipulate the DOM in order to select a particuar option in the list.

You can also post-select an item by name, so to post-select item 4 the following html select set options javascript can be used Share this page with others using one of the methods below. Telling others about Daft Logic is good and we appreciate your support! Comments For This Page. Very Helpful and thanks for also having Demos. By Litsa on 16th May To whom it html select set options javascript help This page pointed me in the right direction I found that I had to use the following format within my WinBatch script: On 6th October Thanks.

You solved my problem in less than 5 minutes. By Peter N on html select set options javascript September Seems that this makes more logical sense when dealing with Loopkup options. But on my scenario Sharepointit does not get all the html select set options javascript.

When I fireup the document. Why is this so? And how can I retrieve the options and select one option if not all options are available? On 2nd August Thanks this really did wonders. On 16th April Hi ricardo, the quick answer is we don't know. It sounds like more of a question for a Greasemonkey developer. By Daft Logic on 15th March Thanks for these wonderful guide, but can i request a guide for this situation.

A visitor of the site wanted to preselect an item on the dropdown upon loading the site and clicking the icon below it. How can you do that using greasemonkey with jquery, how would you write the script with that. You program your script to choose this item eg. Small then submit your selection? Thanks in advance for answering inquery. By ricardo on 14th March What about for html select set options javascript created drop down? On 23rd January Thank u for your help This code will be the simple that i had found for this By Sonu Mishra on 4th November Thanks really really bloody helpful right now!!

By Daniel on 30th June i need the same functionality with value change On 25th May Thanks man!! My problem got resolved because of this article. I was struggling for about 4 hrs on this. By Tushar Parekh on 15th April html select set options javascript and to the point By Rocky on 18th November salamat On 3rd September how can i set preselected values in a multi select dropdown list using chosen jquery plug in http: My options look like this: Lake Powell But when I select the item it does not go to the value link.

Can you tell me what I'm missing? On 14th October 30 out of 66 comments shown. Add your own comment below and let others know what you think: Share This Page Share this page with others using one of the methods below.

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If non is selected, -1 is returned. If multiple options are selected, it returns the index of the first selected option. When setting this property, the OPTION at the given position will be selected while any previously selected option deselected. The following example alerts the index number of the selected option within a SELECT element when the user makes a selection:. Option 1 Option 2 Option 3. The new option to add, created using new Option. This parameter differs depending on the browser used: If null is entered, the new option is added at the very end.

In IE browsers including IE8 beta2 , an integer representing the position of the existing option to add the new option to ie: Leave this parameter out entirely to add the new option to the very end.

The 1st parameter newoption should simply be a new option created using new Option see Option object below for more info. An alternate, arguably simpler way of adding a new option to the SELECT element is simply to assign new Option to one of the options within select. See Option object below for more info. The Option object allows you to add new options to your selection list using JavaScript.

To dynamically create a new option, call its constructor function:. While all paramters are optional, typically you'll want to define at least the first two parameter when calling new Option. See Changing Select element options on the fly for more info. CopyRight c JavaScript Kit. This event handler is commonly used to create a SELECT element that reacts as soon as the user has selected an option manually.

An integer that gets or sets the index of the selected option. The following example alerts the index number of the selected option within a SELECT element when the user makes a selection: A property available on all form elements, "type" returns the type of the calling form element. For SELECT, the two possible values are " select-one " or " select-multiple ", depending on the type of selection list.

Returns the index of this option within the select. Boolean that specifies whether this option is currently selected.