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Javascript multidimensional array

Given the following array


var array = [
 ["key1", 10],
 ["key2", 3],
 ["key3", 40],
 ["key4", 20]
];

You can sort it sort it by number(second index)


array.sort(function(a, b) {
 return a[1] - b[1];
})
array.sort((a,b) => a[1] - b[1]);

Output

[
["key2", 3],
["key1", 10],
["key4", 20],
["key3", 40]
]

Example

var array = [
 ["key1", 20],
 ["key2", 30],
 ["key3", 10],
 ["key4", 40]
];

Output

[
["key3", 10],
["key1", 20],
["key2", 30],
["key4", 40]
]


Conclusion

In this page (written and validated by ) you learned about Javascript multidimensional array . What's Next? If you are interested in completing Javascript tutorial, your next topic will be learning about: Javascript Objects.



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