how to sort by data in chart js


const arrayOfObj = chartLabels.map(function (d, i) {
return {
label: d,
data: chartValues[i] || 0,
}
})

const sortedArrayOfObj = arrayOfObj.sort(function (a, b) {
return b.data - a.data
})

let newArrayLabel = []
let newArrayData = []
sortedArrayOfObj.forEach(function (d) {
newArrayLabel.push(d.label)
newArrayData.push(d.data)
})

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How to send form data from react to express


const url = localhost:4000/api/users/register;
const usersData= [];

let getData = () => {
axios.get(url)
.then(res => usersData.push(res.data))
.catch(err => console.log(err.data))
}

const reactData = [{ id: 1, name:' Tom'}, { id: 2, name:' Sarah'}];
const url = localhost:4000/api/users/register;

let sendData = () => {
axios.post(url, reactData)
.then(res => console.log('Data send'))
.catch(err => console.log(err.data))
}

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how to push multiple data to different parents in a single request in firebase


var ref = new Firebase("https://<YOUR-FIREBASE-APP>.firebaseio.com");
// Generate a new push ID for the new post
var newPostRef = ref.child("posts").push();
var newPostKey = newPostRef.key();
// Create the data we want to update
var updatedUserData = {};
updatedUserData["user/posts/" + newPostKey] = true;
updatedUserData["posts/" + newPostKey] = {
title: "New Post",
content: "Here is my new post!"
};
// Do a deep-path update
ref.update(updatedUserData, function(error) {
if (error) {
console.log("Error updating data:", error);
}
});

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