function getSelectedText() {
if (window.getSelection) {
// This technique is the most likely to be standardized.
// getSelection() returns a Selection object, which we do not document.
return window.getSelection().toString();
}
else if (document.getSelection) {
// This is an older, simpler technique that returns a string
return document.getSelection();
}
else if (document.selection) {
// This is the IE-specific technique.
// We do not document the IE selection property or TextRange objects.
return document.selection.createRange().text;
}
}
javascript獲取選中文字-兼容各瀏覽器
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