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How do I get the textarea control's scroll bar to be bit with the bottom _ form effect

Source: Internet
Author: User
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After the same function adds content to the Texterea control, how is it that the scroll bar moves to the bottom?

1 floor
Does anyone know?

2 floor
<textarea name= "textarea" cols= "rows=" "style=" Overflow-y:hidden; Overflow-x:scroll; " ></textarea>

3 floor
<body>
<textarea rows=10 cols=20 id= "Otextarea" &GT;KSALJDF
Fffffffff
Ffffff
Ffffff
Ffffffff
Fffff
Fffffffffff
Fffffffffff
Ffffffffff
Ffffffffff
Fffffffff
Fffffffff</textarea>
<br>
<input type= "button" value= "Set" onclick= "Otextarea.scrolltop=otextarea.scrollheight" >

4 floor
You can also use cursor movement to achieve
<script>
function SetCursor () {
Range=document.all.demo.createtextrange (); Demo as textarea ID
Range.collapse (FALSE);
Range.movestart (' character ', 0);
Range.Select ();
}
</script>

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