javascript - Remove textarea border on button click and select next textarea automatically -


i don't have idea how this, although i've seen on numerouse websites. so, easy code, got stuck.

i create simple app displays textarea , button. when click button, adds 1 more textarea below. therefore, want remove frame (border) of previous textarea when click add button. , also, automatically select next 1 typing.

clarification: user types in textarea text, , presses red button. becomes green. , border of first textarea disapears (only text remains) , added textarea below automatically selected (clicked) , user can type in text , again press red button , on. if user decide return , change text of previous textarea, border appear again.

there fiddle

and here code:

<textarea rows="3" cols="30" ></textarea><br/> <input type="button" style="background-color:red;width:48x;height:20px;" id="btn1" value="add" onclick="change(this);addmore();"> <div id="inner"></div><br/>  function change(myinput) {     myinput.style.backgroundcolor = "green"; }  function addmore() {     var textarea = document.createelement("textarea");         textarea.rows = 3;         textarea.cols = 30;         var div = document.createelement("div");         div.innerhtml = textarea.outerhtml + '<br/><input type="button" style="background-color:red;width:48px;height:20px;" id="btn2" value="add" onclick="change(this);addmore();"><br/>';         document.getelementbyid("inner").appendchild(div); }


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