複製剪貼簿

if (/iphone/.test(window.navigator.userAgent.toLowerCase())) {

const el = document.createElement('input');

const btn = document.getElementById('btn');

el.value = this.state.coupon;

el.style.opacity = '0';

document.body.appendChild(el);

const editable = el.contentEditable;

const readOnly = el.readOnly;

el.contentEditable = true;

el.readOnly = false;

const range = document.createRange();

range.selectNodeContents(el);

const sel = window.getSelection();

sel.removeAllRanges();

sel.addRange(range);

el.setSelectionRange(0, 999999);

el.contentEditable = editable;

el.readOnly = readOnly;

const ret = document.execCommand('copy');

el.blur();

//

const msg = ret? '複製成功': '複製失敗'

alert(msg)

} else {

var copyText = document.getElementById("copy");

copyText.contentEditable = true;

copyText.readonly = false;

copyText.focus();

copyText.select();

alert('複製成功！')

/* Copy the text inside the text field */

document.execCommand("copy");

}

參考
https://nodefe.com/ios-js-copy/