[英]Invoke a function with a loop of arrays in javascript
我有这个node.js代码:
var timeStamp = function() {
var d = new Date();
var year = d.getFullYear();
var month = d.getMonth() + 1;
var day = d.getDay();
var hours = d.getHours();
var minutes = d.getMinutes();
var seconds = d.getSeconds();
var milliseconds = d.getMilliseconds();
var time = year + '.' + month + '.' + day + '. ' + hours + ':' + minutes + ':' + seconds + ':' + milliseconds;
return time;
};
var tld = function() {
var domainExtensions = ['.com', '.org'];
for (var i=0; i<domainExtensions.length; i++) {
return domainExtensions[i];
}
};
// print process.argv
process.argv.forEach(function(val, index, array) {
console.log(index + ': ' + val + '' + tld() + ' █ ' + timeStamp());
});
此输出:
$ node index.js one two=three four
0: C:\Program Files\nodejs\node.exe.com █ 2015.11.5. 13:45:18:187
1: c:\www\node\command-line-arguments\index.js.com █ 2015.11.5. 13:45:18:191
2: one.com █ 2015.11.5. 13:45:18:192
3: two=three.com █ 2015.11.5. 13:45:18:192
4: four.com █ 2015.11.5. 13:45:18:193
但是我想要的是在控制台中用数组的每个循环打印一个控制台参数:
$ node index.js one two=three four
0: C:\Program Files\nodejs\node.exe.com █ 2015.11.5. 13:45:18:187
1: C:\Program Files\nodejs\node.exe.hu █ 2015.11.5. 13:45:18:187
2: c:\www\node\command-line-arguments\index.js.com █ 2015.11.5. 13:45:18:191
3: c:\www\node\command-line-arguments\index.js.hu █ 2015.11.5. 13:45:18:191
4: one.com █ 2015.11.5. 13:45:18:192
5: one.hu █ 2015.11.5. 13:45:18:192
6: two=three.com █ 2015.11.5. 13:45:18:192
7: two=three.hu █ 2015.11.5. 13:45:18:192
8: four.com █ 2015.11.5. 13:45:18:193
9: four.hu █ 2015.11.5. 13:45:18:193
有没有办法做到这一点?
谢谢您的帮助!
调用return时,您将退出循环。 tld函数始终返回“ .com”。
尝试这个
var timeStamp = function() {
var d = new Date();
var year = d.getFullYear();
var month = d.getMonth() + 1;
var day = d.getDay();
var hours = d.getHours();
var minutes = d.getMinutes();
var seconds = d.getSeconds();
var milliseconds = d.getMilliseconds();
var time = year + '.' + month + '.' + day + '. ' + hours + ':' + minutes + ':' + seconds + ':' + milliseconds;
return time;
};
//better to be const
var domainExtensions = ['.com', '.org'];
// print process.argv
process.argv.forEach(function(val, index, array) {
domainExtentions.forEach(function(tld) {
console.log(index + ': ' + val + '' + tld + ' █ ' + timeStamp());
});
});
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