Category: javascript

How and where can we import <script> tag inside our HTML
and what’s the deference between async and defer as a property of <script>.

the wrong is that the updated user in MongoDB is not the right one, because the altered user is the last one connected or disconnected to the server ,
here is the server side.
> routes/socket.js

      module.exports = function (io) {
      var array_of_connection = [];
      let senderTokent;
      const userIds = [];
    
      io.sockets.use(function (socket, next) {
        if (socket.handshake.query && socket.handshake.query.token) {
          jwt.verify(socket.handshake.query.token, "lol", function (err, decoded) {
            if (err) return next(new Error("Authentication error"));
            senderToken = decoded;
            next();
          });
        } else {
          next(new Error("Authentication error"));
        }
      }).on("connection", async function  (socket) {
        socket._id = senderToken.user._id;
        if (!userIds.includes(senderToken.user._id)) {
          userIds.push(senderToken.user._id);
          array_of_connection.push(socket);
        } else {
          console.log('user already opened socket');
        }
        
        let user = await db.userSchema.findOneAndUpdate({_id: senderToken.user._id}, {$set:{online: true}}, {new: true})
        for (let i = 0; i < array_of_connection.length ; i++) {
          if (array_of_connection[i]._id !== senderToken.user._id) {
           array_of_connection[i].emit('online-users', user._id);
          }
        }
       socket.on('disconnect', async () => {
      const userIndex = userIds.indexOf(senderToken.user._id);
      userIds.splice(userIndex, 1);
      const socketIndex = array_of_connection.indexOf(socket);
      array_of_connection.splice(socketIndex, 1);
        let user = await db.userSchema.findOneAndUpdate({_id: senderToken.user._id}, {$set:{online: false}}, {new: true})
        for (let i = 0; i < array_of_connection.length; i++) {
          if (array_of_connection[i]._id !== senderToken.user._id) {
            array_of_connection[i].emit('friend-leave2', senderToken.user._id)
          }
        }
  });
});

I’m using this page as an example.
In the network tab of the console, if I block requests from the url “https://www.premierleague.com/resources/prod/f4af34b-3761/widgets/pl_player-image.min.js”, the player image does not load, so I assume this is what is getting the image of the player.
However, what should I do to find out the url that the javascript is requesting to get that image? (besides right clicking and opening the picture in a new tab)

How can i change the uploading file name of files array. What i want is to remove any empty spaces from file name if exists, i have tried with this code but it doesn’t change the file name as expected, how can i update the file name for the files array.

async function formatFileName(inp) {
    var fileName = inp.files[0].name
    inp.files[0].name = "TEST1"
    console.log(inp.files[0].name)
}

async function saveFile(inp) {
    await formatFileName(inp)
    let formData = new FormData();
    formData.append("file", inp.files[0]);
    await fetch('{{ file_upload_api }}', { method: "POST", body: formData }).then(() => {
        $('#file_name').html(inp.files[0].name);
        alert("File Upload Succefully")
    }).catch((err) => {
        $('#file_name').html("Something went wrong uploading " + inp.files[0].name).css('color', 'red');
        alert(err)
    });
}

Thanks in advance.

Here is my script in html template

”’function yesnoCheck() {

  if (document.getElementById('yesCheck').checked) {
      siv=document.getElementById('ifYes').style.display = 'block';
      // siv = document.getElementById("yesCheck").value;
      document.getElementById('ifNo').style.display = 'none';
      alert(siv);

  }
  if (document.getElementById('noCheck').checked) {
      document.getElementById('ifYes').style.display = 'none';
      srv=document.getElementById('ifNo').style.display = 'block';
      alert(srv); 

  }

}”’

Below is my views code

      '''if request.method =='POST':
           if request.POST.get('basis1')=='here i need the data from alert(siv)' 

                return render(request,'stockissue2.html')
           elif request.POST.get('basis2')=='here i need the data from alert(srv)':
         
                    messages.success(request,'Record Saved Successfully...!')
                    return render(request,'stockissue2.html')
           else:
                 messages.info(request,'Material Not Available or Transaction No. wrong') 
                 return render(request,'stockissue2.html')'''

Please help me out..

I started learning ReactJS yesterday using Academind’s crash course for beginners on it. There is a part where he teaches about react-router-dom. I tried using it on App.js and index.js as such:

App.js:

import { Route } from "react-router-dom";

import AllMeetupsPage from "./pages/AllMeetups";
import FavouritesPage from "./pages/Favourites";
import NewMeetupsPage from "./pages/NewMeetups";

function App() {
  return (
    <div>
      <Route path='/'>
        <AllMeetupsPage />
      </Route>
      <Route path='/favourites'>
        <FavouritesPage />
      </Route>
      <Route path='/new-meetups'>
        <NewMeetupsPage />
      </Route>
    </div>
  );
}

export default App;

index.js:

import React from 'react';
import ReactDOM from 'react-dom';
import { BrowserRouter } from 'react-router-dom'

import './index.css';
import App from './App';

ReactDOM.render(
  <BrowserRouter>
    <App />
  </BrowserRouter>,
  document.getElementById('root')
);

There shouldn’t be any error since I have fixed the syntax and imported the right files given in the video. Yet, in localhost:3000 I get this as the result.

If I just use <AllMeetupsPage /> then it works. If I put it in the route function then it doesn’t. How can I fix this?

I have a page where there is a button. The button has an onclick function, where it calls the function pop to produce an alert. The alert shows the attribute of the button’s data-message.

I am trying to redirect this function to onload to another page, hence the href.

What I would like to produce is for the alert to be displayed on the 2nd page as well when the body onloads.

I have tried to change and swap my codes between the 2 different HTML, however I often get the error of Uncaught TypeError: e.getAttribute is not a function.

Here are the relevant codes for page 1 where the button needs to be clicked:

<a href="dump2.html"><button type="button" data-message="button1" onclick="pop(this)">click</button></a>

<script>
   function pop(e) {
       alert(e.getAttribute("data-message"));
   }
</script>  ```


------------------


Page 2 where I will onload the attribute I have gotten from the button clicked on Page 1

<body onload="pop(this)"> </body>
<script>
 function pop(e) {
     alert(e.getAttribute("data-message"));
 }
</script>


Any help would be greatly appreciated. Thanks :)

Hi im making an app with node js, mongo db and im deploying in vercel, so i made the aplication and i tested on mode dev and was okay but when execute the comand “now” and see the site it appear a error 500 and im seein from vercel and
the page of vercel function log

it say that bad auth but i tried that on mode dev, so i dont know why is the problem, this is the index.json when i connect

const express =require('express')
const mongoose =require('mongoose')
const bodyParser= require('body-parser')
const cors= require('cors')
const meals=require('./routes/meals')
const orders=require('./routes/order')

const app=express()
app.use(bodyParser.json())
app.use(cors())
mongoose.connect(process.env.MONGODB_URI)



app.use('/api/meals',meals)
app.use('/api/order',orders)


module.exports=app;

and i created a file .env and i put this

MONGODB_URI=mongodb+srv://almuerzimaster:[email protected]/myFirstDatabase?retryWrites=true&w=majority

i have loaded images using p5.js but how to perform transition and movement of images for the duration.i am adding up the code here. i have to create a working animation for blast furnace using images.i have used images as variables

var pic2
var pic3
var pic4
var pic5
let posX=0
let posY=0
let size=200
function preload(){
 // pic1=loadImage("blastF1.png")
  pic2=loadImage("iron.png");
  pic3=loadImage("blast3.jpg");
  pic4=loadImage("slag.jpg");
  pic5=loadImage("BLAST2.jpg")
}


function setup() {
  createCanvas(600, 500);
 
}

function draw() {
  background("grey");
 // image(pic1,0,100,100,200)
//  image(pic2,posX,posY,size,size-20)
  image(pic3,posX,400-posY,200,200)
  image(pic5,posX,0,200,300)
  //image(pic4,0,0)
  if(posX>width||posY>height){
    posX=0
    posY=0
    size=100
  }else{
  posX+=1
  posY+=1
  size-=0.15}
  
}

My React page speed report from Lighthouse is :

I need optimized webpack.config.js settings to have high performance and accessibility.

Also, I’m working around google page speed suggestions like using react.lazy and etc in my code,
but I need tested optimized webpack config.

I would greatly appreciate any help you can provide.

I am trying to get Facebook profile info into a google sheet using google apps script but don’t find a way where to start. Here is the link to the sheet?

I tried to follow this post but didn’t get what I am trying to do. Is there any tutorial/post that I can follow?

Please send me full code to send polygon chain tokens transaction on JavaScript, thanks

How to add this
set name and email through the JavaScript API in tawk.to
someone guide me, please…
here is full article on this https://developer.tawk.to/set-name-email-through-the-javascript-api/

                        name  : 'John Doe',
                        email : '[email protected]',
                        hash : 'hash-value-here'
                        };```

this has been bugging me for a while, I’ve created a pipboy like interface to display the condition of the character and built it into a solo functions but now i want to incorporate it into other display cards. The problem is every time i try to take the content out and put them in an external file the “canvas” or “msg” become undefined. This seems like a no brainer to off load to a function but I’m not sure how. i know i also have to pass “paperDollXoffset, paperDollXoffsetShort, paperDollYoffset, paperDollwidth, paperDollwidthShort”, and “paperDollheight” as their configured for the stand alone canvas and would need adjusting on merged canvases.

code follows

        var CanvasW = 625;
        var CanvasH = 500;
        const paperDollXoffset = 0;
        const paperDollXoffsetShort = 187.5;
        const paperDollYoffset = 0;
        const paperDollwidth = 625;
        const paperDollwidthShort = 250;
        const paperDollheight = 500;
        canvas = Canvas.createCanvas(CanvasW, CanvasH);
        context = canvas.getContext('2d');
        background = await Canvas.loadImage('./images/photo-1538370965046-79c0d6907d47.jpg');
        var useShortValuesArms = 0;
        var useShortValuesLegs = 0;
        var useShortValuesBody = 0;
        var useShortValuesHead = 0;
        context.drawImage(background, 0, 0, CanvasW, CanvasH);
        context.strokeStyle = '#0099ff';
        context.strokeRect(0, 0, CanvasW, CanvasH);
        var basePic1URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Base/NekollxComm_BaseV2ArmS1_White.png';
        var basePic2URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Base/NekollxComm_BaseV2ArmS2_White.png';
        var basePic3URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Base/NekollxComm_BaseV2Head_White.png';
        var basePic4URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Base/NekollxComm_BaseV2Torso_White.png';
        var basePic5URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Base/NekollxComm_BaseV2LegS1_White.png';
        var basePic6URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Base/NekollxComm_BaseV2LegS2_White.png';
        var basePic7URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/CatPeople/NekollxComm2_CatTail_F_White.png';
        var basePic8URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/DragonPeople/NekollxComm2_DragonWingS1_F_White.png';
        var basePic9URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/DragonPeople/NekollxComm2_DragonWingS2_F_White.png';

      
        if (msg.content.toLocaleLowerCase().includes('!tail')){
          basePic3URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/CatPeople/NekollxComm2_CatHead_F_White.png';
          basePic7URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/CatPeople/NekollxComm2_CatTail_F_White.png';
        };//tail default to cat
        if (msg.content.toLocaleLowerCase().includes('!wing')){
            basePic3URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/DragonPeople/NekollxComm2_DragonHead_F_White.png';
            basePic7URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/DragonPeople/NekollxComm2_DragonTail_F_White.png';
            basePic8URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/DragonPeople/NekollxComm2_DragonWingS1_F_White.png';
            basePic9URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/DragonPeople/NekollxComm2_DragonWingS2_F_White.png';
        };//wing default to dragon girl
        if (msg.content.toLocaleLowerCase().includes('!noarm')){
            basePic3URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/BatPeople/NekollxComm2_BatHead_F_White.png';
            basePic7URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/BatPeople/NekollxComm2_BatTail_F_White.png';
            basePic8URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/BatPeople/NekollxComm2_BatWingS1_F_White.png';
            basePic9URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/BatPeople/NekollxComm2_BatWingS2_F_White.png';
        }//noarms and wing default to bat
        if (msg.content.toLocaleLowerCase().includes('!noleg')){
          basePic1URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/MerPeople/NekollxComm2_MerArmS1_F_White.png';
          basePic2URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/MerPeople/NekollxComm2_MerArmS2_F_White.png';
          basePic3URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/MerPeople/NekollxComm2_MerHead_F_White.png';
          basePic4URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/MerPeople/NekollxComm2_MerTorso_F_White.png';
          basePic7URL = 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/MerPeople/NekollxComm2_MerTail_F_White.png';
      };//no leg and tail default to mermaid

      //add/get art for (tail, no arm, no leg) Serpent [Torso, tail, head]
      //add/get art for (tail, arm, no leg, wing) Wyrm [Torso, tail, head, arm, wing]
      //add/get art for (tail, no arm, no leg, wing) feathered serpent [Torso, tail, head, wing]
      //add/get art for (no arm, optional tail) undertale/monster kid [Torso, tail, head, legs]
      //add/get art for (no leg, optional tail) arm monster, tail is a full serpent [Torso, tail, head, arm]
      //add/get art for (no leg, no arm, wing, optional tail) arm monster, tail is a full serpent, arms are wings [Torso, tail, head, wing]

      if (basePic1URL == 'https://maskedriders.info/Mee6RP/PaperDoll/White_Base/NekollxComm_BaseV2ArmS1_White.png'){
        useShortValuesArms = 1;
      }
      if ((basePic3URL == 'https://maskedriders.info/Mee6RP/PaperDoll/White_Base/NekollxComm_BaseV2Head_White.png') || (basePic3URL == 'https://maskedriders.info/Mee6RP/PaperDoll/White_Adjustments/CatPeople/NekollxComm2_CatHead_F_White.png')){
        useShortValuesHead = 1;
      }
      if (basePic4URL == 'https://maskedriders.info/Mee6RP/PaperDoll/White_Base/NekollxComm_BaseV2Torso_White.png'){
        useShortValuesBody = 1;
      }
      if (basePic5URL == 'https://maskedriders.info/Mee6RP/PaperDoll/White_Base/NekollxComm_BaseV2LegS1_White.png'){
        useShortValuesLegs = 1;
      }

        var conditionpic1 = await Canvas.loadImage(basePic1URL);
        var conditionpic2 = await Canvas.loadImage(basePic2URL);
        var conditionpic3 = await Canvas.loadImage(basePic3URL);
        var conditionpic4 = await Canvas.loadImage(basePic4URL);
        var conditionpic5 = await Canvas.loadImage(basePic5URL);
        var conditionpic6 = await Canvas.loadImage(basePic6URL);
        var conditionpic7 = await Canvas.loadImage(basePic7URL);
        var conditionpic8 = await Canvas.loadImage(basePic8URL);
        var conditionpic9 = await Canvas.loadImage(basePic9URL);
        var variableX = paperDollXoffset;
        var variableW = paperDollwidth;

        if (!msg.content.toLocaleLowerCase().includes('!noarm')){
          if (useShortValuesArms == 1){
            variableX = paperDollXoffsetShort;
            variableW = paperDollwidthShort;
          }
          context.drawImage(conditionpic1, variableX, paperDollYoffset, variableW, paperDollheight);
          context.drawImage(conditionpic2, variableX, paperDollYoffset, variableW, paperDollheight);
        }//noarms
        variableX = paperDollXoffset;
        variableW = paperDollwidth;

        if (useShortValuesHead == 1){
          variableX = paperDollXoffsetShort;
          variableW = paperDollwidthShort;
        }
        context.drawImage(conditionpic3, variableX, paperDollYoffset, variableW, paperDollheight);
        variableX = paperDollXoffset;
        variableW = paperDollwidth;

        if (useShortValuesBody == 1){
          variableX = paperDollXoffsetShort;
          variableW = paperDollwidthShort;
        }
        context.drawImage(conditionpic4, variableX, paperDollYoffset, variableW, paperDollheight);
        variableX = paperDollXoffset;
        variableW = paperDollwidth;

        if (!msg.content.toLocaleLowerCase().includes('!noleg')){
          if (useShortValuesLegs == 1){
            variableX = paperDollXoffsetShort;
            variableW = paperDollwidthShort;
          }
          context.drawImage(conditionpic5, variableX, paperDollYoffset, variableW, paperDollheight);
          context.drawImage(conditionpic6, variableX, paperDollYoffset, variableW, paperDollheight);
        }//nolegs

        variableX = paperDollXoffset;
        variableW = paperDollwidth;
        if (msg.content.toLocaleLowerCase().includes('!wing')){
          context.drawImage(conditionpic8, variableX, paperDollYoffset, variableW, paperDollheight);
          context.drawImage(conditionpic9, variableX, paperDollYoffset, variableW, paperDollheight);
        }//wings
        if (msg.content.toLocaleLowerCase().includes('!tail')){
          if (useShortValuesHead == 1){
            variableX = paperDollXoffsetShort;
            variableW = paperDollwidthShort;
          }
          context.drawImage(conditionpic7, variableX, paperDollYoffset, variableW, paperDollheight);
        }//tail

I am experiencing an issue that I think is a regex bug. Before I submit to Google (chrome), can you just verify that if I do regex.test with:

/ddd/gim 

it should be true in every case where

/700/gim 

is true, correct?

(The source HTML file that I am running this on is too large to post)

  var regex = /ddd/gim;
  var obj = $();
  var elems = $("Section P, section LI, section TD, section H1");
  var num = 0;
  elems.each(function() {
    if (regex.test(this.innerText)) {
      obj = obj.add(this);
      num++;
    }
  }); 
  console.log("num: " + num);

when I do this with /700/gim, it is matching text that /ddd/ isn’t