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JavaScript Answers

How to re-enable right click to let us inspect HTML elements in Chrome with JavaScript?

Sometimes, we want to re-enable right click to let us inspect HTML elements in Chrome with JavaScript.

In this article, we’ll look at how to re-enable right click to let us inspect HTML elements in Chrome with JavaScript.

How to re-enable right click to let us inspect HTML elements in Chrome with JavaScript?

To re-enable right click to let us inspect HTML elements in Chrome with JavaScript, we can set the oncontextmenu of elements in our page to null.

For instance, we can set the right click handler of the window to null by running

window.oncontextmenu = null;

in the console.

We can also run

const elements = document.getElementsByTagName("*");
for (const element of elements) {
  element.oncontextmenu = null;
}

to select all elements on the page with getElementByTagName.

Then we loop through each element in elements and set its oncontextmenu property to null.

Conclusion

To re-enable right click to let us inspect HTML elements in Chrome with JavaScript, we can set the oncontextmenu of elements in our page to null.

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JavaScript Answers

How to copy output of a JavaScript variable to the clipboard?

Sometimes, we want to copy output of a JavaScript variable to the clipboard.

In this article, we’ll look at how to copy output of a JavaScript variable to the clipboard.

How to copy output of a JavaScript variable to the clipboard?

To copy output of a JavaScript variable to the clipboard, we can use the navigator.clipboard.writeText method.

For instance, we write

const copyToClipboard = (text) => {
  return navigator.clipboard.writeText(text);
};

to define the copyToClipboard function that takes the text string parameter.

In it, we call navigator.clipboard.writeText with text to copy the text string content into the clipboard.

Conclusion

To copy output of a JavaScript variable to the clipboard, we can use the navigator.clipboard.writeText method.

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JavaScript Answers

How to fix TypeError: moment().tz is not a function with JavaScript?

Sometimes, we want to fix TypeError: moment().tz is not a function with JavaScript.

In this article, we’ll look at how to fix TypeError: moment().tz is not a function with JavaScript.

How to fix TypeError: moment().tz is not a function with JavaScript?

To fix TypeError: moment().tz is not a function with JavaScript, we should make sure that we’re importing moment-timezone before referencing tz.

We install moment-timezone by running

npm install moment-timezone --save

Then, we write

const moment = require('moment-timezone');

to import the moment-timezone module in our code.

Conclusion

To fix TypeError: moment().tz is not a function with JavaScript, we should make sure that we’re importing moment-timezone before referencing tz.

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JavaScript Answers

How to wait for page load after form submit with Puppeteer and JavaScript?

Sometimes, we want to wait for page load after form submit with Puppeteer and JavaScript.

In this article, we’ll look at how to wait for page load after form submit with Puppeteer and JavaScript.

How to wait for page load after form submit with Puppeteer and JavaScript?

To wait for page load after form submit with Puppeteer and JavaScript, we can use the waitForNavigation method.

For instance, we write

await page.waitForNavigation();

in our script to call the page.waitForNavigation method to wait for the page to load after submitting a form.

Conclusion

To wait for page load after form submit with Puppeteer and JavaScript, we can use the waitForNavigation method.

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JavaScript Answers

How to hide points in Chart.js line graph with JavaScript?

Sometimes, we want to hide points in Chart.js line graph with JavaScript.

In this article, we’ll look at how to hide points in Chart.js line graph with JavaScript.

How to hide points in Chart.js line graph with JavaScript?

To hide points in Chart.js line graph with JavaScript,. we can set the pointRadius option to 0.

For instance, we write

const myChart = new Chart(ctx, {
  type: "line",
  data: {
    labels: [
      //...
    ],
    datasets: [
      {
        data: [
          //...
        ],
        pointRadius: 0,
      },
    ],
  },
  options: {},
});

to create a new chart with the Chart constructor.

We call it with an object that has the pointRadius property set to 0 in the object in the datasets array.

As a result, the points on the line graph will be hidden.

Conclusion

To hide points in Chart.js line graph with JavaScript,. we can set the pointRadius option to 0.