JavaScript获取选中文本 光标所在元素
令狐不聪 分享于 6分钟前
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JavaScript获取选中文本 光标所在元素
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>getSelection</title>
<script type="text/javascript">
function GetSelectedText (){
var userSelection, ta;
if (window.getSelection && document.activeElement){
if (document.activeElement.nodeName == "TEXTAREA" ||
(document.activeElement.nodeName == "INPUT" &&
document.activeElement.getAttribute("type").toLowerCase() == "text")){
ta = document.activeElement;
userSelection = ta.value.substring(ta.selectionStart, ta.selectionEnd);
} else {
userSelection = window.getSelection();
}
document.getElementById("seltext").innerHTML += "Selection="+userSelection.toString()+" [1]<br>";
} else {
// all browsers, except IE before version 9
if (document.getSelection){
userSelection = document.getSelection();
document.getElementById("seltext").innerHTML += "Selection="+userSelection.toString()+" [2]<br>";
}
// IE below version 9
else if (document.selection){
userSelection = document.selection.createRange();
document.getElementById("seltext").innerHTML += "Selection="+userSelection.text+" [3]<br>";
}
}
}
</script>
</head>
<body onmouseup="GetSelectedText()">
<h1>Drag to select text (script runs on mouseup)</h1>
<textarea rows="5" cols="30">Select text or part of it.</textarea><br>
<input type="text" name="text1" value="Some more play text" size="50"><br>
<div id="seltext"></div>
</body>
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