Category: JavaScript Answers

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How to transform TypeScript into JavaScript?

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Sometimes, we want to transform TypeScript into JavaScript.

In this article, we’ll look at how to transform TypeScript into JavaScript.

How to transform TypeScript into JavaScript?

To transform TypeScript into JavaScript, we use the ts-node package.

To install it, we run

npm install ts-node

The we transform a TypeScript file into JavaScript by running

tsc file.ts --outFile file.js

where file.ts is the TypeScript file and the file.js is the file transformed from file.ts.

Conclusion

To transform TypeScript into JavaScript, we use the ts-node package.

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JavaScript Answers

How to read JSON response with Axios and JavaScript?

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Sometimes, we want to read JSON response with Axios and JavaScript.

In this article, we’ll look at how to read JSON response with Axios and JavaScript.

How to read JSON response with Axios and JavaScript?

To read JSON response with Axios and JavaScript, we get the response body from the data property.

For instance, we write

try {
  const res = await axios.get("/end-point");
  console.log(res.data);
} catch (error) {
  // ...
}

to call axios.get to make a get request.

It returns a promise that has the response data.

We get the response body from res.data.

Conclusion

To read JSON response with Axios and JavaScript, we get the response body from the data property.

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JavaScript Answers

How to load local JSON file to show data in a HTML page using JavaScript?

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Sometimes, we want to load local JSON file to show data in a HTML page using JavaScript.

In this article, we’ll look at how to load local JSON file to show data in a HTML page using JavaScript.

How to load local JSON file to show data in a HTML page using JavaScript?

To load local JSON file to show data in a HTML page using JavaScript, we define a global variable with the object.

For instance, we write

data = {
  start: {
    count: "5",
    title: "start",
    priorities: [
      {
        txt: "Work",
      },
      {
        txt: "Time Sense",
      },
      {
        txt: "Discipline",
      }
    ],
  },
};

in data.js to define the data global variable set to an object.

Then we write

<html>
  <head> </head>
  <body>
    <script src="data.js"></script>
  </body>
</html>

to load it in our HTML code.

Conclusion

To load local JSON file to show data in a HTML page using JavaScript, we define a global variable with the object.

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JavaScript Answers

How to replace backslashes with JavaScript?

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Sometimes, we want to replace backslashes with JavaScript.

In this article, we’ll look at how to replace backslashes with JavaScript.

How to replace backslashes with JavaScript?

To replace backslashes with JavaScript, we call the string replace method.

For instance, we write

const replaced = str.replace(/\\/, "\\\\");

to call str.replace to replace backslashes by replacing /\\/ with "\\\\" double backslashes.

/\\/ matches the first instance of a backslash.

Conclusion

To replace backslashes with JavaScript, we call the string replace method.

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JavaScript Answers

How to get coordinates of an svg element with JavaScript?

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Sometimes, we want to get coordinates of an svg element with JavaScript.

In this article, we’ll look at how to get coordinates of an svg element with JavaScript.

How to get coordinates of an svg element with JavaScript?

To get coordinates of an svg element with JavaScript, we call the getBoundingClientRect method.

For instance, we write

const { x, y } = element.getBoundingClientRect();

to get the x and y coordinates of the svg element with the getBoundingClientRect method.

Conclusion

To get coordinates of an svg element with JavaScript, we call the getBoundingClientRect method.