javascript set selected option by index

Why was Rijndael the only cipher to have a variable number of rounds? As you can see, the initially selected item is the first item on the list. Create if not exists The index starts at 0. Note that a value of true does not set the option to selected if it is not already selected. Javascript Select options. setting the selectedIndex property of the select tag will choose the correct item. Triggering a Color Change from a Pop-Up Menu: 43. Using the options[index].text Property: 41. will return -1. kv_color is the id of Select option and SelectedIndex is the property, which is set 3 as default value, Here # is the index of the options, Total count is 4 but index starts with “0”(Zero) . rev 2021.1.15.38327, Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide. The read-only HTMLSelectElement property selectedOptions contains a list of the