JavaScript 一键复制内容

---

/**
        一键复制
        @param {String} inputValue [需要复制的内容]
        range + selection
        1.创建一个 range
        2.把内容放入 range
        3.把 range 放入 selection
        注意：对于 user-select: none 的元素无效
        */
        function onCopyText(inputValue) {
            var ele = document.createElement('div');
            ele.id = 'eleCopyText';
            ele.style.opacity = '0';
            ele.innerText = inputValue;
            document.body.appendChild(ele);

            try {
                var range = document.createRange();
                range.selectNode(ele);
                window.getSelection().removeAllRanges();
                window.getSelection().addRange(range);
                document.execCommand('copy');
                window.getSelection().removeAllRanges();
                alert('复制链接成功')
            } catch (e) {
                alert('复制链接失败')
            }

            // remove temp ele
            ele.parentElement.removeChild(ele);
        }