JS 將字符串復制到剪切板

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function copyText(text)
{
    var input = document.createElement('input');
    
    input.setAttribute('id', 'input_for_copyText');
    input.value = text;
    
    document.getElementsByTagName('body')[0].appendChild(input);
    document.getElementById('input_for_copyText').select();
    document.execCommand('copy');
    document.getElementById('input_for_copyText').remove();
}