js一键复制到剪切板

 

function copy() {
    let transfer = document.createElement(\'input\');
    document.body.appendChild(transfer);
    transfer.value = \'这里是想要复制的内容\'; 
    transfer.focus();
    transfer.select();
    if (document.execCommand(\'copy\')) {
        document.execCommand(\'copy\');
    }
    transfer.blur();
    console.log(\'复制成功\');
    document.body.removeChild(transfer);
}