row-selector

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Join Stack Overflow to learn, share knowledge, and build your career. Thanks for the comment. Keep in mind the. If you would like to select a value based on the item's value and not the index of that item then you can do the following:. What's important to understand is that val for a select element returns the value of the selected option, but not the number of element as does selectedIndex in javascript.

It's not all that efficient. The attribute "selected" is jquery option eq selected index how you specify a selected radio button in Firefox and Chrome at least. Use the "checked" attribute:. Where name is select id and idx is the option value you want selected. The pure javascript selectedIndex attribute is the right way to go because,it's pure javascript and works cross-browser:.

Here is a jsfiddle demo with two dropdowns using one to set the other:. You jquery option eq selected index also call this before changing the selectedIndex if what you want is the "selected" attribute on the option tag here is the fiddle:. Select the item based on the value in the select list especially if the option values have a space or weird character in it by simply doing this:. Also, if you have a dropdown jquery option eq selected index opposed to a multi-select you may want to do a break; so you don't get the first-value-found to be overwritten.

I need a solution that has no hard coded values in the js file; using selectedIndex. Most of the given solutions failed one browser. This appears to work in FF10 and IE8 can someone else test in other versions. Now I don't care about the index I just wanted the item by its value. I faced same problem. First you need go through the events i. The Second event is selecting default option using any function such as val etc. You should ensure jquery option eq selected index the Second event should happen after the First event.

To achieve this take two functions lets say generateSelectbox for genrating select box and selectDefaultOption. You need to ensure that selectDefaultOption should be called only after the execution of generateSelectbox.

You can try following code. Thank you for your interest in this question. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count. Would you like to answer one of these unanswered questions instead? Email Sign Up or sign in with Google. Jquery option eq selected index have an select box: For example, if I am trying to set "Number 3", I'm trying this: How can I set an option as selected based jquery option eq selected index it's index using jQuery?

This is almost exactly the same as you previous question: Marc 8, 2 22 The chosen answer by John Kugelman did not work for me in IE7. Mackey Jun 27 '11 at Sadly, none of jquery option eq selected index ways fire a change event for me.

When you're programmatically setting a selected option, you may not always want the bound change event to be triggered like on a jquery option eq selected index load event. To solve that jquery leaves it up to the developer to decide. Is the first option 0 or 1? I thought it worth mentioning that post-jQuery 1. This may also be useful, so I thought I'd add it here.

If you would like to select a value based on the item's value and not the index of that item then you can do the following: Andrea Ligios 38k 12 72 Just be aware that. If you need to change the selected value more often e. Chris Brandsma 9, 5 39 This makes copying from one element to another dead simple as well!

This is simple and straightforward. I much prefer this solution. This works in Chrome, but doesn't work for me with IE9. This answer gave me what i needed. Mohamad Rostami 2, 24 To deselect the option use an empty array: Anonymous 2, 4 35 NicolasBernier 1, 12 I've always had issues with prop 'selected'the following has always worked for me: Drew 4 10 To clarify Marc's and John Kugelman's answers, you could use: You don't actually need the jQuery object jquery option eq selected index.

This will do the trick: Use the "checked" attribute: Spycho 5, 3 24 The pure javascript selectedIndex attribute is the right way to go because,it's pure javascript and works cross-browser: Object has no method 'attr'" This syntax stops those errors. Select the item based on the value in the select list especially if the option values have a space or weird character in it by simply doing this: Nexxas 5 The First event is generating select box with options.

To achieve this take two functions lets say generateSelectbox for genrating select box and selectDefaultOption You need to ensure that selectDefaultOption should be called only after the execution of generateSelectbox. You can also init multiple values if your selectbox is a multipl: You can try following code code: Ram Lakhan Yadav 33 5.

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The DataTables rows and row also optionally cells and cell methods provide the ability to select rows from the table. What rows are selected and how the selector actually operates is controlled by this row-selector data type. The row selector can be given in a number of different forms, to make it easy to apply to your data and use case:. If no selector is given more specifically undefined , then all rows are selected. DataTables stores each row internally with a row index for fast look up of row information.

When the selector is given as an integer, this value represents a row index rows. DataTables row selector is optimised for IDs as it is natural to wish to select rows by unique information. This is distinct from a jQuery selector as DataTables can optimise this selector type so as to not involve the DOM - also allowing an id row selector to operate on rows which have not yet had their DOM nodes created when using deferRender for extra speed.

With dynamically sourced data, the id assigned to the row is identifier using the rowId option. The data used as the id can be of any value, although it must be unique in the table.

To use an id selector, simply prefix the id value for the row you wish to select with a number sign: The value that follows is taken as the id. Unlike jQuery this value does not need to be escaped - although this means that an id selector must be used alone e.

When the selector is given as a string, it is treated as a jQuery selector that operates on the tr elements in the table. For full information about the options available for jQuery selectors, please refer to the jQuery selector documentation.

Note that just like jQuery selector, is it possible to supply multiple selectors using comma separated notation i. This can be useful for getting data from a row, or performing other row based operations, when you have only the DOM node for reference, for example in an event handler.

For complete control over which rows are selected, it is possible to provide a function with logic you've defined to perform the selection. That logic can be as simple or as complex as you wish, performing the selection by simply returning true if the row should be included in the selected results and false if not. That can be particularly useful for finding rows based on the data contained in the rows, or based on properties of the nodes.

The function is called once for every row that can be selected, based on the selector-modifier options, which also defines the order of the rows for the called function. Very similar to the above node type since a jQuery object is an array-like list of DOM nodes , a jQuery instance can be given as a row selector, with any nodes which are selected by jQuery and match those available in the table selected.

Any combination of the above options can be given as selector together, providing a method to select multiple rows, or to mix selector types, by simply providing the selector options you want in an array. DataTables designed and created by SpryMedia Ltd.

SpryMedia Ltd is registered in Scotland, company no. Description The DataTables rows and row also optionally cells and cell methods provide the ability to select rows from the table. Options The row selector can be given in a number of different forms, to make it easy to apply to your data and use case: No selector - Select all rows integer - Row index selector string - ID selector string - jQuery selector node - This may be one of the following: This can be used by extensions such as FixedColumns and Responsive to allow easy row selection.

Get data for all rows in the table: Row index 0 data: Select a single row by id: Select rows by class name: Get the data for a row that was clicked upon: The function receives three parameters: Row index - see row.

Note that this is the original data object for the row, not the rendered data if you are using columns. Note that this may be null if you are using deferRender. Get data from rows in a jQuery instance: Get the data for two rows, based on id: