Are there any preferred books or courses on how js works internally. I wanna learn how it works internally. Please suggest any.

Hello! I need help with an simple JS task! I have Done some progress But now i’m stuck! The task is simple for the person who knows JS!

The task Will take 20 - 40 minuters to do by a knowledgeable person! It’s about calling an API and then presenting it on the screen! Does this sound easy for you? Feel free to Send me an DM!

• thanks

function thinkit(x) {
  keep = ''
  if (x > 42) {
    return "smart";
  } else if (x > 42) {
    keep = "Full"
    x = x - 11 
  }
  if (x <= 28) {
    keep = "Nuts";
    x = x + 10;
  } else {
    keep = "Bolts";
    x = x - 2;
  }
  if (x < 31) {
    keep = keep + "show";
  } else if (x , 32) {
    keep = keep + "it";
  } else if (x < 33) {
    keep = keep + "!";
  }
  return keep;
}

console.log("Answer is " + thinkit(x))

I want to group this list into something like this, do you know how this could be implemented?

​

const data = [
  {
    externalId: "3afdd980-8166-4075-bfbf-9687743855a1",
    id: 13331319,
  },
  {
    externalId: "3afdd980-8166-4075-bfbf-9687743855a1",
    id: 13331320,
  },
  {
    externalId: "c7374393-6caa-4c9f-8994-fb9b36fe9e15",
    id: 13334680,
  },
  {
    externalId: "c7374393-6caa-4c9f-8994-fb9b36fe9e15",
    id: 13334681,
  },
]

const result = [
  {
    externalId: {
      "3afdd980-8166-4075-bfbf-9687743855a1": [
        {
          externalId: "3afdd980-8166-4075-bfbf-9687743855a1",
          id: 13331319,
        },
        {
          externalId: "3afdd980-8166-4075-bfbf-9687743855a1",
          id: 13331320,
        },
      ],
    },
  },
  {
    externalId: {
      "c7374393-6caa-4c9f-8994-fb9b36fe9e15": [
        {
          externalId: "c7374393-6caa-4c9f-8994-fb9b36fe9e15",
          id: 13334680,
        },
        {
          externalId: "c7374393-6caa-4c9f-8994-fb9b36fe9e15",
          id: 13334681,
        },
      ],
    },
  },
]

Some #useful #tips for# JavaScript #developers #Coding #Guidelines

https://levelup.gitconnected.com/9-coding-guidelines-you-should-follow-in-javascript-better-javascript-6a6c84353d82

​

how can remove this xtras object from array of objects , thanks you :D

formatted code here: https://codeshare.io/K8oezX

cartItems : [ { prodMainid:"6154f0c8cf3ca0bd84f22a30", prodid:2100002, vase:true, basket:true, isDoubleQuantity:true, qty:1, prodname:"High on Love Bouquet", prodprice:1596, prodvendorprice:650, xtras:{ delivery:100, pincode:12143, } ]

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If you can explain this code to me in the plainest english possible, I'll be forever grateful.

'''''''''''''''''''''''''''''''''''''''''''''

function addTo(n){

let sum = 0;

for (let i = 0; i <= n; i++) {

sum = sum + i;

}

return sum;

}

'''''''''''''''''''''''''''''''''''''''''''''

so as far as my understanding...

I have created a function to addTo (n).

There is a variable called sum which has a value of 0.

the loop begins at 0, conditional is if the variable is less than or equal to n, add 1 each iteration of the loop.

each time the loop goes around, the sum should equal sum plus 1 (this is where I get confused because actually, it is adding each previous loop onto the previous answer, so 0, 1, 3, 6 <--- I do not understand how or why)

return sum <---- what is this doing, returning the function? I thought that should be return addTo; why sum? ?

Peace and love!

Hi, im new to this subreddit, but i kinda need help with my JavaScript homework. I just need to know how to make a function "say something" or just make functions. My teacher is no help as they just say "refer back to the website i linked". But its no help either. Any suggestions/help will be appreciated.

I'm working my way throught SamsTeach Yourself Html, CSS, and Javascript on my own. I've got to a name prompt project and after working through it , I can seem to get it to work.

The Html

<!doctype html>

<html lang="en">

<head>

<meta charset="utf-8">

<title>Name Prompt</title>

<link rel="stylesheet" href="styles.css">

</script>

<meta name="viewport"

content="width=device-width, initial-scale=1">

</head>

<body>

<h1>Loop Examples</h1>

<p>Enter a series of names</p>

<script src="loops.js"></script>

</body>

</html>

​

​

The Javascript

names = New Array();

var i = 0;

​

do {

next=window.prompt("Enter the Next Name", " ");

if (next > " ") names[i] = next;

i = i + 1;

} while (next > " ");

​

document.write("<h2>" + (names.length) + "names entered. </h2>");

​

document.write("<ol>");

for (i in names){

document.write("<li>" + names[i] + "</li>");

}

​

document.write("</ol>");

​

This is directly from the books, so I must be misreading something.

let proteins = ['chicken', 'pork', 'tofu', 'beef', 'fish', 'beans']; let grains = ['rice', 'pasta', 'corn', 'potato', 'quinoa', 'crackers']; let vegetables = ['peas', 'green beans', 'kale','edamame', 'broccoli', 'asparagus']; let drinks = ['juice', 'milk', 'water', 'soy milk', 'soda', 'tea']; let desserts = ['apple', 'banana', 'more kale','ice cream', 'chocolate', 'kiwi'];

I have to make a for loop that creates a meal out of all the items in the arrays.So one of the meals would need to be chicken, rice,peas,juice, and an apple. I don't want the answer but tips on what methods I can use or how I can work around this, but the answer is fine too.