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JavaScript and ECMAScript are related general-purpose scripting languages, but they are not exactly the same thing. Both of these languages are supported by the latest web browsers, and hence, can be integrated to make a responsive web page or site.
ECMA in full is European Computer Manufacturer's Association. It is a programming language that can be utilized for client-side scripting over the "WWW(world wide web)". ECMAScript(ES) is a standard for scripting languages such as Javascript. ES defines the rules, details, and guidelines the scripting must observe to be considered ECMAScript compliant. However, ES specification is a blueprint/trademark for creating a scripting language.
Javascript on the other hand is a lightweight interpreted or JIT-compiled programming language based on the ECMAScript specification. However, it is the implementation of that blueprint/ ECMAScript specification. This programming language has been embedded in various web browsers, and every browser contains a javascript interpreter to support it. Javascript is utilized on both the client and server-side platforms.
Comparison between Javascript and ECMAScript
| JAVASCRIPT | ECMASCRIPT |
| It is an implementation of ES standard | It is a specification |
| Javascript is mainly used for front-end development | ES is a subset of JS and is used for front-end development |
| It is written in plain text | Its sole purpose is to create a format for JS users |
| Its work is prototype-base | ES is used for client-side scripting on the world wide web |
| Javascript programming requires a text editor | Javascript is based on ECMAScript |
Conclusion
Javascript and ECMAScript are both programming languages. ECMAScript serves as a standard for scripting languages and Javascript is the implementation of this standard. It is such that one (javascript) is based on another (ECMAScript).