Edit the data-es5.js, data-es6.js, data-esnext.js, or data-non-standard.js files to adjust the tests and their recorded browser results. Run node build.js to build the HTML files from these JavaScript sources. The ES6 tests themselves should be written in pure ES3, except for the sole ES6 feature being tested (as well as any ES5 features strictly required to use the ES6 feature). ES Next tests may

