1
我試圖通過節點控制檯發送參數,並希望在eval函數內執行它。如何評估eval()內的console.log(1 + 2)?
什麼我寫在控制檯是這樣的:
node main console.log(1+1)
的main.js文件是這樣的:
var x = "";
process.argv.forEach(function (val, index, array) {
console.log(index + ': ' + val);
x = val;
});
var eval = require('eval')
eval("(" + x + ")");
它拋出這個錯誤:
D:\Sandbox\jsdom>node main console.log(1+2)
0: C:\Program Files\nodejs\node.exe
1: D:\Sandbox\jsdom\main
2: console.log(1+2)
evalmachine.<anonymous>:1
(console.log(1+2))
^
ReferenceError: console is not defined
at evalmachine.<anonymous>:1:2
at ContextifyScript.Script.runInContext (vm.js:35:29)
at ContextifyScript.Script.runInNewContext (vm.js:41:15)
at module.exports (D:\Sandbox\jsdom\node_modules\eval\eval.js:69:12)
at Object.<anonymous> (D:\Sandbox\jsdom\main.js:11:1)
at Module._compile (module.js:570:32)
at Object.Module._extensions..js (module.js:579:10)
at Module.load (module.js:487:32)
at tryModuleLoad (module.js:446:12)
at Function.Module._load (module.js:438:3)
是否有人知道我做錯了什麼?
,即時通訊在控制檯期望的輸出是:
3
感謝
這工作!謝謝!! :) – Malvrok
沒問題!! :) – dan