| function(c,t,h,r){ | |
| // history | |
| h=[t||""]; | |
| // loop until blank input or cancel | |
| // print last 10 reults | |
| while(s=prompt(h.slice(-10).join("\n"))){ | |
| // eval the input, coerce to string, push onto history | |
| // TODO: JSON.stringify() or other pretty printing? | |
| try{ | |
| r=(c||eval)(s) | |
| }catch(e){ | |
| r=e | |
| } | |
| h.push(""+r) | |
| } | |
| } |
| function(c,t,h,r){h=[t||""];while(s=prompt(h.slice(-10).join("\n"))){try{r=(c||eval)(s)}catch(e){r=e}h.push(""+r)}} |
| DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
| Version 2, December 2004 | |
| Copyright (C) 2011 Tom Robinson <http://tlrobinson.net/> | |
| Everyone is permitted to copy and distribute verbatim or modified | |
| copies of this license document, and changing it is allowed as long | |
| as the name is changed. | |
| DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
| TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION | |
| 0. You just DO WHAT THE FUCK YOU WANT TO. |
| { | |
| "name": "simpleREPL", | |
| "description": "Simple JavaScript REPL for the browser.", | |
| "keywords": [ | |
| "repl", | |
| "browser", | |
| "javascript" | |
| ] | |
| } |
| <!DOCTYPE html> | |
| <title>Simple REPL</title> | |
| <div>Enter some JavaScript. Cancel or empty input to exit.</div> | |
| <script> | |
| repl = function(c,h,r){h=[];while(s=prompt(h.slice(-10).join("\n"))){try{r=(c||eval)(s)}catch(e){r=e}h.push(""+r)}} | |
| repl(); | |
| </script> |
-10could simply be replaced by~9,whilecould be replaced byfor.Also, it seems there is no need to coerce the
r, aspromptdoes it for you.function(c,t,h,r){for(h=[t||""];s=prompt(h.slice(~9).join("\n"));h.push(r))try{r=(c||eval)(s)}catch(e){r=e};}