HTML DOM Datalist options Collection Last Updated : 04 Oct, 2024 Comments Improve Suggest changes Like Article Like Report The Datalist Options Collection is used to set or return the collection of all options value in a datalist. The elements in the collection are in sorted order. Syntax: datalistObject.optionsProperties: length: It returns a number of <option> element in the collection. It is read only Property.Methods: The DOM option collection contains three methods which are given below: [index]: It is used to return the element of the selected index. The index value starts from 0. It returns NULL if the index value is out of range.item(index): It is used to return the <option> element of selected index. The index value starts from 0. It returns NULL if the index value is out of range.namedItem(id): It is used to return the element from the collection with the given id attribute. It returns NULL if the id is not valid.Example 1: Returns option length value. html <!DOCTYPE html> <html> <body> <h2>DOM Datalist Option Collection</h2> <form> <label>Your Cars Name: </label> <input list="gfg"> <datalist id="cars"> <option value="BMW"> <option value="Bentley"> <option value="Mercedes"> <option value="Audi"> <option value="Volkswagen"> </datalist> </form> <br> <button onclick="myGeeks()">Submit</button> <p id="sudo" style="font-size:20px;color:green;"></p> <script> function myGeeks() { // Return length of option. let g = document.getElementById( "cars").options.length; document.getElementById("sudo").innerHTML = "There are " + g + " options in the list."; } </script> </body> </html> Output: datalist optionExample-2: Returns the option's value of a specific index. html <!DOCTYPE html> <html> <body> <h2>DOM Datalist Option Collection</h2> <form> <label>Your Cars Name: </label> <input list="gfg"> <datalist id="cars"> <option value="BMW"> <option value="Bentley"> <option value="Mercedes"> <option value="Audi"> <option value="Volkswagen"> </datalist> </form> <br> <button onclick="myGeeks()"> Submit </button> <p id="sudo" style="font-size:20px;color:green;"> </p> <script> function myGeeks() { // Return the value of index 2. let g = document.getElementById("cars").options[2].value; document.getElementById("sudo").innerHTML = g + " option is in 2nd index"; } </script> </body> </html> Output : Supported Browsers: The browser supported by DOM Datalist option Collection Property are listed below: Google ChromeFirefoxOperaSafari Comment More infoAdvertise with us Next Article HTML DOM Datalist options Collection M manaschhabra2 Follow Improve Article Tags : Misc Web Technologies HTML HTML-DOM Practice Tags : Misc Similar Reads SQL Commands | DDL, DQL, DML, DCL and TCL Commands SQL commands are crucial for managing databases effectively. 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