使用javascript在循环中动态创建数组

Question

Here's a pseudocode example about what I'm trying to do:

var totalLanguages = XX;

for(var i = 0; i < totalLanguages; i++){
    var dynamicArray + i = new Array();
    /*.....*/
}

I need to create dynamically many arrays as the value of totalLanguages which can be either number.

This is to be able to do something like this:

for(var i = 0; i < totalLanguages; i++){
    var arrayLanguages["es"] = dynamicArray+i;
    var arrayLanguages["en"] = dynamicArray+i;
}

Is there any way to do this?

Answer 1

You are basically trying to recreate an array with variable names. Just use an Array to start out!

var dynamicArray = [];
for(var i = 0; i < totalLanguages; i++) {
    dynamicArray[i] = new Array();
}

Answer 2

You can use multi-dimensional arrays:

var languagesArray = new Array(totalLanguages);
for(var i = 0; i < totalLanguages; i++) {
  var innerArray = new Array();
  innerArray.push("Hello");
  innerArray.push("World");
  languagesArray[i] = innerArray;
}
console.log(languagesArray[0][0]);

See: How can I create a two dimensional array in JavaScript?

Answer 3

var languageNames = ['en', 'es'];
var languages = {};

for (var i = 0; i < languageNames.length; i++) {
    languages[languageNames[i]] = [];
}

Answer 4

How about:

for(var i = 0; i < totalLanguages; i++){
    window["dynamicvariable " + i] = new Array();
    /*.....*/
}