How to sum the values of a javascript object

0 votes
"I'm currently facing an issue while trying to sum the values of a JavaScript object. Can you please provide detailed guidance or a step-by-step explanation on how to calculate the sum of the values stored within a JavaScript object? I've tried a few approaches but haven't been able to get it to work as expected.
Sep 25, 2023 in Java-Script by anonymous
• 1,170 points
2,236 views

1 answer to this question.

0 votes

Certainly, I'd be happy to help you with this issue. Summing the values of a JavaScript object involves iterating through its properties and adding up the values. Let's break it down step by step:

Assuming you have an object like this:

```javascript
const myObject = {
  value1: 10,
  value2: 20,
  value3: 30,
};
```

Here's a step-by-step guide on how to calculate the sum of the values:

1. Initialize a Variable: Start by initializing a variable to store the sum. Let's call it `total` and set it to 0:

  ```javascript
   let total = 0;
   ```

2. Iterate Through Object Properties: Use a `for...in` loop to iterate through the properties of the object:

   ```javascript
   for (let key in myObject) {
     // Check if the property is a direct property of the object (not inherited).
     if (myObject.hasOwnProperty(key)) {
       // Access the value associated with the current property and add it to the total.
       total += myObject[key];
     }
   }
   ```

   In this loop, `key` represents the property name, and `myObject[key]` gives you the corresponding value.

3. Get the Total:After the loop completes, the `total` variable will contain the sum of all the values in the object.

Here's the complete code:

```javascript
const myObject = {
  value1: 10,
  value2: 20,
  value3: 30,
};

let total = 0;

for (let key in myObject) {
  if (myObject.hasOwnProperty(key)) {
    total += myObject[key];
  }
}

console.log("The sum of values is:", total);
```

This code will calculate the sum of the values in your JavaScript object and display it in the console.

If you've tried different approaches and are still facing issues, please let me know any specific problems you encountered, and I'll be happy to assist further.

answered Sep 25, 2023 by Edureka
• 12,690 points

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