Get the current value of the first element in the set of matched elements. When called on an empty collection, it returns undefined. When the first element in the collection is a select-multiple i. As of jQuery 3. For selects, checkboxes and radio buttons, you can use: When this value is sent to the server via XHR, however, carriage returns are preserved or added by browsers which do not include them in the raw value.

javascript - Change the selected value of a drop-down list with jQuery - Stack Overflow

A workaround for this issue can be achieved using a valHook as follows:. Get the single value from a single select and an array of values from a multiple select and display their values. Set the value of each element in the set of matched elements. In this case, the input s and the option s having a value that matches one of the elements of the array will be checked or selected while those having a value that doesn't match one of the elements of the array will be unchecked or unselected, depending on the type.

Setting values using this method or using the native value property does not cause the dispatch of the change event. For this reason, the relevant event handlers will not be executed.

If you want to execute them, you should call.

How do I get the text value of a selected option? | jQuery Learning Center

As of jQuery 1. This example removes leading and trailing whitespace from the values of text inputs with a "tags" class. Copyright The jQuery Foundation.

Download API Documentation Blog Plugins Browser Support. Get the current value of the first element in the set of matched elements or set the value of every matched element.

A workaround for this issue can be achieved using a valHook as follows: Find the value of an input box. String or Number or Array.

A function returning the value to set. Receives the index position of the element in the set and the old value as arguments.

This method is typically used to set the values of form fields. Set the value of an input box. Use the function argument to modify the value of an input box.

How to dynamically select option in dropdown menu? - jQuery Forum

Set a single select, a multiple select, checkboxes and a radio button. Ajax Global Ajax Event Handlers Helper Functions Low-Level Interface Shorthand Methods Attributes Callbacks Object Core CSS Data Deferred Object Deprecated Deprecated 1.

Books Learning jQuery Fourth Edition Karl Swedberg and Jonathan Chaffer jQuery in Action Bear Bibeault, Yehuda Katz, and Aurelio De Rosa jQuery Succinctly Cody Lindley. Learning Center Forum API Twitter IRC GitHub Copyright The jQuery Foundation.