This time I will bring you JS operations on TXT text to insert content at the specified position, and JS operations on TXT text to insert content at the specified position. take a look.
The example is as follows: I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other php Chinese websites related articles! function insertAtCursor(myField, myValue) {
//IE 浏览器
if (document.selection) {
myField.focus();
sel = document.selection.createRange();
sel.text = myValue;
sel.select();
}
//FireFox、Chrome等
else if (myField.selectionStart || myField.selectionStart == '0') {
var startPos = myField.selectionStart;
var endPos = myField.selectionEnd;
// 保存滚动条
var restoreTop = myField.scrollTop;
myField.value = myField.value.substring(0, startPos) + myValue + myField.value.substring(endPos, myField.value.length);
if (restoreTop > 0) {
myField.scrollTop = restoreTop;
}
myField.focus();
myField.selectionStart = startPos + myValue.length;
myField.selectionEnd = startPos + myValue.length;
} else {
myField.value += myValue;
myField.focus();
}
}
<textarea id="textarea" style="width: 386px; height: 260px">
</textarea>
<input type="text" id="text" />
<input type="button" value="插入" onclick="insertAtCursor(document.getElementById('textarea'),Copy after login
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