![Figure 1: Each ECMAScript feature proposal goes through stages that are numbered from 0 to 4\. Champions are TC39 members that support the authors of a feature. Test 262 is a suite of tests that checks JavaScript engines for compliance with the language specification.](img/940447699009858ee8ea9d8b8214c75d.svg)
Figure 1: Each ECMAScript feature proposal goes through stages that are numbered from 0 to 4\. _Champions_ are TC39 members that support the authors of a feature. Test 262 is a suite of tests that checks JavaScript engines for compliance with the language specification.