How do I check how many options there are in a dropdown menu
27 4k 49 133 223 Add a comment 10 Answers Sorted by 218 var length mySelectList children option length or var length mySelectList option length This assumes your select list has an ID of mySelectList http api jquery length http api jquery children http api jquery child selector Share
HTML DOM Select length Property W3Schools, Select length Property Select Object Example Return the number of option elements found in a drop down list var x document getElementById mySelect length Try it Yourself Description The length property returns the number of option elements in a drop down list Browser Support Syntax selectObject length Technical Details
HTMLSelectElement selectedOptions property Web APIs MDN MDN Web Docs
The read only HTMLSelectElement property selectedOptions contains a list of the option elements contained within the select element that are currently selected The list of selected options is an HTMLCollection object with one entry per currently selected option An option is considered selected if it has an HTMLOptionElement selected attribute
HTMLSelectElement options property Web APIs MDN, The HTMLSelectElement options read only property returns a HTMLOptionsCollection of the option elements contained by the select element Value A HTMLOptionsCollection containing the option elements contained by the select element Examples HTML
How to count the selected options in select using javascript
How to count the selected options in select using javascript, Function createtext field var noele document getElementsByName matname var cnt 0 for var i 0 i noele options length i if noele i selected cnt alert cnt
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Document querySelectorAll method Web APIs MDN
Document querySelectorAll method Web APIs MDN Once the NodeList of matching elements is returned you can examine it just like any array If the array is empty that is its length property is 0 then no matches were found Otherwise you can use standard array notation to access the contents of the list You can use any common looping statement such as
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1 Try to use find method instead document ready function secta code on change function alert nb this find option selected length Length for selected options of a select multiple always return 1. The W3Schools online code editor allows you to edit code and view the result in your browser HTMLSelectElement length An unsigned long The number of option elements in this select element HTMLSelectElement multiple A boolean value reflecting the multiple HTML attribute which indicates whether multiple items can be selected HTMLSelectElement name
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