是否可以从控制台中的bookmarklet或代码段访问$0 DOM元素指针.
有关$0的更多信息
https://developers.google.com/chrome-developer-tools/docs/commandline-api#0_-_4
Dev Tools remembers the last five DOM elements (or JavaScript heap objects) that you’ve selected in the tab (or Profiles panel). It makes those objects available as $0,$1,$2,$3,and $4. $0 returns the most recently selected element or JavaScript object,$1 returns the second most recently selected one,and so on.
