Question

92

Convert a 1D array to 2D array

rated 0 times [ 98] [ 6] / answers: 1 / hits: 51976 / 10 Years ago, mon, march 17, 2014, 12:00:00

I am working on a program where I have to read the values from a textfile into an 1D array.I have been succesfull in getting the numbers in that 1D array.

m1=[1,2,3,4,5,6,7,8,9]

but I want the array to be

m1=[[1,2,3],[4,5,6],[7,8,9]]

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austonjuancarlosb

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answered 10 Years ago matteo · Accepted Answer

You can use this code :

const arr = [1,2,3,4,5,6,7,8,9];

    

const newArr = [];

while(arr.length) newArr.push(arr.splice(0,3));

    

console.log(newArr);

http://jsfiddle.net/JbL3p/