I need help with comparing two tables that presents like this:
table A = [1, 2, 3, 4, 5, 6, 7],
table B = [2, 4]
I need to check if the table A contains numbers from table B and to put it in another array:
Expected output:
table C = [false, true, false, true, false, false, false]
Tried a few things but nothing works out for me.
The table.includes method gives me following output
let isAdded = [];
allObjectivesArray.forEach((element, index) => {
if (allObjectivesArray.includes(reducedArr[0][element - 1]))
isAdded.push(true);
else isAdded.push(false);
});
// That is the output of above isAdded = [true, true, false, false, false, false, false]
Thank you for your help.
You can map the array a and check in the callback if each item exists in the array b with includes function, if exists includes will return true if not will return false
const a = [1, 2, 3, 4, 5, 6, 7];
const b = [2, 4];
const result = a.map(i => b.includes(i))
console.log(result)const tableA = [1, 2, 3, 4, 5, 6, 7];
const tableB = [2, 4]
const fun =(ar, refAr)=>{
const booleanSet = ar.map((e, i) => refAr.includes(e))
console.log(booleanSet)
}
fun(tableA ,tableB)Try:
tableA = [1, 2, 3, 4, 5, 6, 7];
tableB = [2, 4];
let tableC = tableA.map((el) =>
tableB.indexOf(el) != -1
);
console.log(tableC);