选中页面中的内容

var text = '获取标签'
    if (document.body.createTextRange) {
        var range = document.body.createTextRange();
        range.moveToElementText(text);
        range.select();
    } else if (window.getSelection) {
        var selection = window.getSelection();
        var range = document.createRange();
        range.selectNodeContents(text);
        selection.removeAllRanges();
        selection.addRange(range);
    } else {
        alert("none");
    }

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转载自blog.csdn.net/qq_45227564/article/details/126747851