如何从iframe获取所选文本(在IE上运行)
The following will work in all major browsers:
function getIframeSelectionText(iframe) {
var win, doc = iframe.contentDocument;
if (doc) {
win = doc.defaultView;
} else {
win = iframe.contentWindow;
doc = win.document;
}
if (win.getSelection) {
return win.getSelection().toString();
} else if (doc.selection && doc.selection.createRange) {
return doc.selection.createRange().text;
}
}
var iframe = document.getElementById("your_iframe");
alert( getIframeSelectionText(iframe) );
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