226753 2021-06-07 20:12:54 -0700 alert will trigger keyboard 2021-06-14 20:13:15 -0700 1 1 1 Unclassified WebKit UI Events Safari 14 iPhone / iPad iOS 14 NEW InRadar P2 Normal --- 1 zuckjet webkit-unassigned ap webkit-bug-importer wenson_hsieh zuckjet oldest_to_newest 1767650 0 zuckjet 2021-06-07 20:12:54 -0700 I want to control clipboard content by javascript: ``` <button id="btn">copy</button> <script src="./index.js"></script> var btn2 = document.getElementById('btn'); btn2.addEventListener('click', copy, false); function copy() { let textArea = document.createElement("textarea"); textArea.value = "copy content"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); document.execCommand("copy"); alert("copy success"); // !!! this line will trigger keyboard, and make page response slowly, if i remove this line, everything is ok. document.body.removeChild(textArea); } ``` 1769674 1 webkit-bug-importer 2021-06-14 20:13:15 -0700 <rdar://problem/79321330>