URL: https://www.graphqlbin.com/v2/new
Browser / Version: Firefox 64.0
Operating System: Linux
Tested Another Browser: Yes
Problem type: Site is not usable
Description: Error messages in the graphql editor are not viewable
Steps to Reproduce:
Type any invalid code into the graphql editor on the left side. The error messages are not viewable on mouseover, instead a white rectangle is shown.

Browser Configuration
{u'mixed active content blocked': False, u'buildID': u'20181017101626', u'hasTouchScreen': False, u'tracking content blocked': u'false', u'consoleLog': [u'[console.error(NotFoundError: Node was not found) http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:989235]', u'[console.error(NotFoundError: Node was not found) http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:989235]', u'[console.error(NotFoundError: Node was not found) http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:989235]', u'[console.error(NotFoundError: Node was not found) http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:989235]', u'[console.error(NotFoundError: Node was not found) http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:989235]', u'[JavaScript Error: "NotFoundError: Node was not found" {file: "http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js" line: 1}]\nGn@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:991364\nfr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1000073\npr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:997990\nur@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:997445\nsr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:997271\ninteractiveUpdates@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1028745\nZe@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:954492\nEventListener.handleEvent*Ve@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:954353\npt@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:958835\nht@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:960238\nLn@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:988566\nUn@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:993414\n$n@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:994296\nYn@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:994563\npr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:997977\nur@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:997445\nsr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:997271\nir@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:996643\nqn@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:996013\nCr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1003328\nxr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1003555\nkr.prototype.render@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1030473\nFr/<@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1005112\nyr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1002745\nFr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1005047\nrender@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1031315\ninit@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:2289484\n@http://localhost:4000/:536:9\nEventListener.handleEvent*@http://localhost:4000/:525:7\n', u'[console.error(uncaught at ,Error: e is undefined; can\'t access its "push" property\nC.ADD_RESPONSE/<@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:554901\nwe@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:216468\nwe@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:216643\nwe@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:216643\nwe@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:216643\nIe@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:216358\nFe@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:217045\nC.ADD_RESPONSE@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:554851\nr/<@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:765225\nt.default/
From webcompat.com with ❤️
URL: https://www.graphqlbin.com/v2/new
Browser / Version: Firefox 64.0
Operating System: Linux
Tested Another Browser: Yes
Problem type: Site is not usable

Description: Error messages in the graphql editor are not viewable
Steps to Reproduce:
Type any invalid code into the graphql editor on the left side. The error messages are not viewable on mouseover, instead a white rectangle is shown.
Browser Configuration
{u'mixed active content blocked': False, u'buildID': u'20181017101626', u'hasTouchScreen': False, u'tracking content blocked': u'false', u'consoleLog': [u'[console.error(NotFoundError: Node was not found) http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:989235]', u'[console.error(NotFoundError: Node was not found) http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:989235]', u'[console.error(NotFoundError: Node was not found) http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:989235]', u'[console.error(NotFoundError: Node was not found) http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:989235]', u'[console.error(NotFoundError: Node was not found) http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:989235]', u'[JavaScript Error: "NotFoundError: Node was not found" {file: "http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js" line: 1}]\nGn@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:991364\nfr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1000073\npr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:997990\nur@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:997445\nsr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:997271\ninteractiveUpdates@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1028745\nZe@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:954492\nEventListener.handleEvent*Ve@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:954353\npt@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:958835\nht@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:960238\nLn@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:988566\nUn@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:993414\n$n@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:994296\nYn@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:994563\npr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:997977\nur@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:997445\nsr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:997271\nir@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:996643\nqn@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:996013\nCr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1003328\nxr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1003555\nkr.prototype.render@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1030473\nFr/<@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1005112\nyr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1002745\nFr@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1005047\nrender@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:1031315\ninit@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:2289484\n@http://localhost:4000/:536:9\nEventListener.handleEvent*@http://localhost:4000/:525:7\n', u'[console.error(uncaught at ,Error: e is undefined; can\'t access its "push" property\nC.ADD_RESPONSE/<@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:554901\nwe@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:216468\nwe@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:216643\nwe@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:216643\nwe@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:216643\nIe@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:216358\nFe@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:217045\nC.ADD_RESPONSE@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:554851\nr/<@http://cdn.jsdelivr.net/npm/graphql-playground-react@1.7.2/build/static/js/middleware.js:1:765225\nt.default/
From webcompat.com with ❤️