can't use "document.execCommand('paste')" in UIWebView and WKWebView

Hello,


Now I am developing a Mac app . There is a 'WebView' in it . But when I use the "document.execCommand('paste') '' in js function, I find it can't work. What can I do now. very thanks.


lz

can't use "document.execCommand('paste')" in UIWebView and WKWebView
 
 
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