js实现一键复制功能

<div id="copyContent">这是被复制的内容内容内容!</div>
<button id="copyBtn">复制</button>
<input id="txt" style="position:absolute;opacity:0"/>
function copyValue(val){
                var temp = document.getElementById('txt');
                temp.value = val;
                temp.select(); // 选择对象
                document.execCommand("Copy"); // 执行浏览器复制命令
                console.log('复制成功');
            }

            document.getElementById("copyBtn").onclick = function () {
                copyValue(document.getElementById("copyContent").innerHTML);
            };

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转载自www.cnblogs.com/javenlee/p/11578424.html