.js

//we create a function to get all the hashtags we want
async function getPostsFromHashtags(ig,arrayOfHashtags){
    //Create an empty array to store all hashtags
    let allPosts = []

    //We go through the entire list of hashtags and add it to our empty array
    for(let i = 0 ; i < arrayOfHashtags.length ; i++){
        let hashtagActual = await recentHashtagList(ig,arrayOfHashtags[i])
        allPosts.push(hashtagActual)
    }

    //This line of code aligns all the elements in the same array
    return [].concat.apply([], allPosts)
}