JS는 TextArea 커서 위치에 텍스트를 삽입하고 커서를 text_javascript 기술의 끝으로 이동합니다.

function insertText(obj,str) {
if (document.selection) {
var sel = document.selection.createRange();
sel.text = str;
} else if (typeof obj.selectionStart === 'number' && typeof obj.selectionEnd === 'number') {
var startPos = obj.selectionStart,
endPos = obj.selectionEnd,
cursorPos = startPos,
tmpStr = obj.value;
obj.value = tmpStr.substring(0, startPos) str tmpStr.substring(endPos, tmpStr.length);
cursorPos = str.length;
obj.selectionStart = obj.selectionEnd =cursorPos;
} else {
obj.value = str;
}
}
function moveEnd(obj){
obj.focus();
var len = obj.value.length;
if (document.selection) {
var sel = obj.createTextRange();
sel.moveStart('character',len);
sel.collapse();
sel.select();
} else if (typeof obj.selectionStart == 'number' && typeof obj.selectionEnd == 'number') {
obj.selectionStart = obj.selectionEnd = len;
}
}