javascript - Textarea does not auto resize with pre-filled value -

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i have textarea resizes based on type. used solution kylemit it.

html:

<textarea onkeyup="textareaadjust(this)" style="overflow:hidden"></textarea>

js:

function textareaadjust(o) { o.style.height = "1px"; o.style.height = (25+o.scrollheight)+"px"; }

this works fine when user has type on textarea textarea has pre-filled value in it. resizing not work pre-filled value. resizes when user starts typing on textarea.

example of pre-filled textarea

<textarea onkeyup="textareaadjust(this)" style="overflow:hidden">identify, formulate, research literature, , analyze user needs , taking them account solve complex information technology problems, reaching substantiated conclusions using fundamental principles of mathematics, computing fundamentals, technical concepts , practices in core information technologies, , relevant domain disciplines.</textarea>

is there way can solve problem through css or js?

you have use these 2 lines of code out of function well,so used @ time of page load well,

you give id text area , call code in manner,and call on page load,it work shown below

<!doctype html>  <html>  <head>  <meta charset="iso-8859-1">  <title>insert title here</title>  </head>  <body onload="callonpageload()">  <script>  function callonpageload(){  	document.getelementbyid("textareaex").style.height="1px";  	document.getelementbyid("textareaex").style.height=(25+document.getelementbyid("textareaex").scrollheight)+"px";  	}  </script>  <textarea onkeyup="callonpageload()" id="textareaex" style="overflow:hidden">identify, formulate, research literature, , analyze user needs , taking them account solve complex information technology problems, reaching substantiated conclusions using fundamental principles of mathematics, computing fundamentals, technical concepts , practices in core information technologies, , relevant domain disciplines.</textarea>  </body>  </html>


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