99.收录JS常用函数.md

1 复制函数

tip

用于在浏览器中复制内容

function copyStringToClipboard (str) {
   // Create new element
    var el = document.createElement('textarea');
    // Set value (string to be copied)
    el.value = str;
    // Set non-editable to avoid focus and move outside of view
    el.setAttribute('readonly', '');
    el.style = {position: 'absolute', left: '-9999px'};
    document.body.appendChild(el);
    // Select text inside element
    el.select();
    // Copy text to clipboard
    document.execCommand('copy');
    // Remove temporary element
    document.body.removeChild(el);
}

示例

copyStringToClipboard("abc123");