javascript,如何设置一段文字为选中状态?
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<!DOCTYPE HTML>
<html lang="en-US">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script type="text/javascript">
function selectText() {
if (document.selection) {
var range = document.body.createTextRange();
range.moveToElementText(document.getElementById('selectable'));
range.select();
} else if (window.getSelection) {
var range = document.createRange();
range.selectNode(document.getElementById('selectable'));
window.getSelection().addRange(range);
}
}
</script>
<span id="selectable">点击后选中<br />点击后选中<br />点击后选中<br />点击后选中<br /></span>
<input type="button" onclick="selectText()" value="点我" />
</body>
</html>
<html lang="en-US">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script type="text/javascript">
function selectText() {
if (document.selection) {
var range = document.body.createTextRange();
range.moveToElementText(document.getElementById('selectable'));
range.select();
} else if (window.getSelection) {
var range = document.createRange();
range.selectNode(document.getElementById('selectable'));
window.getSelection().addRange(range);
}
}
</script>
<span id="selectable">点击后选中<br />点击后选中<br />点击后选中<br />点击后选中<br /></span>
<input type="button" onclick="selectText()" value="点我" />
</body>
</html>
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