The difference is that the oninput event occurs immediately after the value of an element has change while onchange occurs when the element loses focus, after the content has been changed. The onchange attribute fires the moment when the value of the element is changed. Tip: This event is similar to the oninput event. HTML onchange (this.value) - Stack.
I was under the impression that I could get the value of a select input by doing this $(this). It would appear it only works if I reference the ID. ONCHANGE attribute for SELECT elements.
Event Handling With the Select Element. Browse other questions tagged javascript html onchange or ask your own question. Activate event handlers (Priority ) Provision 1: Allow the user to activate, through keyboard input alone, all input device event handlers that are explicitly associated with the element designated by the content. JS来改变select的值时不会触发其onchange事件的。只有通过鼠标或键盘操作,而且选择的值不同于原始值时才会触发该事件。若需通过JS改变select的值并触发onchange事件需要在代码中显式的触发一下。.
Select的onchange事件时,常会遇到这样一个问题,那就是连续选相同一项时,不触发onchange事件. Change =script command(s) Looking for information on dropdown menues? See our Dropdown Menu Tutorial. Change designates a JavaScript to run when the user chooses one of the options.
This means that an action is initiated immediately when the user chooses an item, not when a submit button is pressed.