Set the wide scale of textarea

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Function movecursortopos (ID, POS) {// locate the cursor to a certain position var OBJ = Document. getelementbyid (ID); obtain the element Pos = pos? POs: obj. value. length; If (obj. createTextRange) {// in IE browser, textrange is applied to the body, textarea, and the button is valid var range = obj. createTextRange (); // create a textrange range. movestart ("character", POS); // move the start point, in the unit of character range. collapse (true); // No moving end point is directly folded to a vertex range. select (); // select this point} else {// non-IE browser obj. setselectionrange (obj. value. length, POS);} obj. focus ();}

Set the wide scale of textarea