// Create array
address[] addresses
uint256[] myArray
// Add to array
function add() internal { myArray.push(123);
}
// Remove from array
function removeUnordered() internal { myArray[index] = myArray[myArray.length - 1]; myArray.pop();
}
function removeOrdered() internal { // WARN: This unbounded for loop is an anti-pattern for(uint256 i = index; i < myArray.length-1; i++){ myArray[i] = myArray[i+1]; } myArray.pop();
}

var myContract;
var rowToGet = 0; // 1,2,3
var instance = MyContract.Deployed() .then(function(instance) { myContract = instance; return myContract.myBytesArray(rowToGet); }) .then(function(response) { console.log(response); // one element of the array });
}

uint256[] myList;
myList.push(5)
myList.push(10)
// myList => [5, 10]

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.6.0;
contract samplyArray { uint[] public myArray; //this is a dynamic array of type uint uint[] public myArray2 = [1, 2, 3]; //this is a dynamic array with 1, 2 and 3 as default values uint[10] public myFixedSizeArray; //this is a fixed size array of type uint uint[] intergerArray; //sample showing initialization of an array of integers bool[] boolArray; //sample showing initialization of an array of booleans address[] addressArray; //sample showing initialization of an array of address etc. //this will add i to the end of myArray function pushistoAdd(uint i) public { myArray.push(i); } //returns the value in the specified position of the array function getIteminArray(uint index) public view returns (uint) { myArray[index]; } //this will update an item in the array function updatethearray(uint locationinarray, uint valuetochangeto) public { myArray[locationinarray] = valuetochangeto; } //this is to delete an item stored at a specific index in the array. //Once you delete the item the value in the array is set back to 0 for a uint. function remove(uint index) public { delete myArray[index]; } //this will return the length of myArray function getLength() public view returns (uint) { return myArray.length; }
}