// specify source data array size here
const size = 1000;
let data = [];
for (let index = 0; index < size; index++) {
data.push({"name":`item${index}`, "value": index});
}
let values = [];
for (let index = 0; index < data.length; index++) {
values.push(data[index].name);
}
let values = [];
for (let item of data) {
values.push(item.name);
}
let values = data.map(item => item.name);
let values = [];
data.forEach(item => values.push(item.name));
let values = [];
for (let index in data) {
values.push(data[index].name);
}