![]() ![]() Modern browsers like Firefox and Chrome would be reluctant to extend JavaScript with such features, for obvious security reasons, even if the underlying engine such as V8 supports it. If you search the Node.js code in github for spawn you will find references to the implementation in C or C++ in the engine. The thing I like about this module, is that it's included with the Node.js distribution, no npm install. Stdout: USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND Which produces the following example output, running it in docker: $ docker run -rm -v "$PWD":/usr/src/app -w /usr/src/app node:17-bullseye node. Let's try this code to execute the Linux shell command ps -aux, saved in runps.js, based on the child_process documentation: const `) ![]() One such "host" is Node.js which has the child_process module. Host or implementation may provide additional built-in functions that NOTE Examples of built-in functions include parseInt and Math.exp. That said, extensions are allowed, see this note from the spec, for example: As far as I can tell, there is no built-in function, method or otherwise, in the official ECMAScript specification to run an external process. ![]()
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