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- function getRangePos(obj){
- var Pos = 0; //ie
- if (document.selection){
- obj.focus();
- var Sel = document.selection.createRange();
- Sel.moveStart('character', -obj.value.length);
- Pos = Sel.text.length;
- }else if (obj.selectionStart || obj.selectionStart == '0'){
- Pos = obj.selectionStart;
- }
- return Pos;
- }
- function setRangePos(obj, pos){
- if (obj.setSelectionRange){
- obj.focus();
- obj.setSelectionRange(pos,pos);
- }else if (obj.createTextRange){
- var range = obj.createTextRange();
- range.collapse(true);
- range.moveEnd('character', pos);
- range.moveStart('character', pos);
- range.select();
- }
- }
- function get_click(){
- var obj = document.getElementById('soruce_id');
- var pos = getRangePos(obj);
- document.getElementById('info').innerHTML = document.getElementById('info').innerHTML + 'Pos:' + pos + '\n';
- obj.focus();
- }
- function set_click(){
- var obj = document.getElementById('soruce_id');
- var num = document.getElementById('pos_num');
- var numVal = parseInt(num.value);
- num.value = numVal;
- if (numVal > 0){
- setRangePos(obj, numVal);
- }
- obj.focus();
- }
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