JavaScript Shell A command-line interface for JavaScript and DOM. Open the shell or get the Shell bookmarklet (Firefox only). Features You can enter statements and expressions at the same prompt. The result of each non-void statement or expression is shown. User-defined variables. b = document.body User-defined functions. function f() { return 5; } JavaScript error messages are shown in red. Previ
{{#tags}}- {{label}}
{{/tags}}