vue contenteditable处理火狐浏览器复制带标签问题

this.$refs.materialTxt.addEventListener('paste', function(e) {
        console.log('监听到了')
        e.stopPropagation()
        e.preventDefault()
        let text = ''; const event = (e.originalEvent || e)
        if (event.clipboardData && event.clipboardData.getData) {
        text = event.clipboardData.getData('text/plain')
        } else if (window.clipboardData && window.clipboardData.getData) {
        text = window.clipboardData.getData('Text')
        }
        if (document.queryCommandSupported('insertText')) {
          document.execCommand('insertText', false, text)
        } else {
          document.execCommand('paste', false, text)
          }
        })