コレクション html select option value default 218142-Html select option no default value

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The tag defines an option in a select list elements go inside a , , or element Note The tag can be used without any attributes, but you usually need the value attribute, which indicates what is sent to the server on form submission Tip If you have a long list of options, you can group related options within the tag The HTML selected Attribute is used to specify which option should be by default selected when the page loads This is a boolean attribute The option that is having the selected attribute will be displayed by default Syntax Example1 This Example illustrates the use of selected attribute in option Element

Html select option no default value

Html select option no default value- Default Option vs Placeholder In the examples we reviewed, one option was always shown from the start When using HTML select, default option is usually the first of the selection If you wish to choose a different option as HTML select default value, you need to add the selected keywordThe default value is 0 Note According to the HTML5 specification, the default value for size should be 1;

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However, in practice, this has been found to break some web sites, and no other browser currently does that, so Mozilla has opted to continue to return 0The selected attribute is a boolean attribute When present, it specifies that an option should be preselected when the page loads The preselected option will be displayed first in the dropdown list Tip The selected attribute can also be set after the page loads, with a JavaScript Default selected value is Option4 Select Option1 Option2 Option3

Definition and Usage The element is used to create a dropdown list The element is most often used in a form, to collect user input The name attribute is needed to reference the form data after the form is submitted (if you omit the name attribute, no data from the dropdown list will be submitted) The id attribute is needed to associate the dropdown list withTo set the default option based on the index, try this select_elementoptionsthe_indexdefaultSelected = true; The task is to reset the value of the select element to its default value with the help of jQuery There are two approaches that are discussed below Approach 1 First select the options using jQuery selectors then use prop () method to get access to its properties If the property is selected then return the default value by using defaultSelected property