html text input onchange event

Question

is there a way to implement a text change event to detect text change on an HTML input text field   It s possible to simulate these using key events  key press etc   however  it s really not performant and difficult  is there a better way

User · Answer

Well unless I misunderstand you can just use the onChange attribute:

<input type="text" onChange="return bar()">

Note: in FF 3 (at least) this is not called until some the user has confirmed they are changed either by clicking away from the element, clicking enter, or other.

User · Answer

Use the oninput event  lt input type  quot text quot  oninput  quot myFunction    quot    gt

User · Answer

I used this line to listen for input events from javascript  It is useful because it listens for text change and text pasted events   myElement addEventListener  input   e   gt    myEvent

User · Answer

When I m doing something like this I use the onKeyUp event     lt script type  text javascript  gt   function bar             do stuff     lt input type  text  name  foo  onKeyUp  return bar      gt    but if you don t want to use an HTML event you could try to use jQuerys  change   method      target   change function          do stuff       in this example  the input would have to have a class  target   if you re going to have multiple text boxes that you want to have done the same thing when their text is changed and you need their data then you could do this       target   change function event         do stuff with the  event  object as the object that called the method       that way you can use the same code  for multiple text boxes using the same class without having to rewrite any code

User · Answer

onChange doesn t fire until you lose focus later   If you want to be really strict with instantaneous changes of all sorts  use      lt input    type          text      onchange      myHandler        onkeypress    this onchange        onpaste       this onchange        oninput       this onchange       gt

[javascript] html text input onchange event

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