alert("Not valid input \n try again!");
<button type="submit" onclick="alert('Welcome\n,Ur 1st alertmsg')" style="width: 37px">Hi..</button>
Response.Write("<script type='text/javascript'>"); Response.Write("alert('Add spaces to make it two line and style it here.');"); Response.Write("</script>");
'\n'
alert("You are entering the wrong value\n example....")
var
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