console.diff(...) Chrome 插件, crx 扩展下载

扩展ID: iefeamoljhdcpigpnpggeiiabpnpgonb

Deep compare complex in-memory objects inside browser devtools panel with console.diff command.Developers extension that extends console API with "compare those objects" abilities and JSDiff panel in your dev-tools to see the results.

Before the start: open the dev-tools and select JSDiff panel.
API:
console.diff(left, right);  // compare left and right
console.diff(next);         // shorthand of diffPush
console.diffLeft(left);     // update object on the left side only
console.diffRight(right);   // update object on the right side only
console.diffPush(next);     // shifts sides, right becomes left, next becomes right

Features
* compare objects from multiple tabs and/or between page reloads
* function code included in comparison result in form of a string, may help to see if it was altered
* document, dom-elements and other non-serializable objects are filtered-out from the results
* self recurring references displayed only once, the rest of occurrences are filtered-out  

Source code:
https://github.com/zendive/jsdiff/