CODEWITHSUNDEEP
javascripthtmlreactjs
user11528729
user11528729

Reputation:

Render a variable in React html

const getTime = () => {
    const today = new Date();
    const time = today + ' ' + today.getHours() + ":" + today.getMinutes() + ":" + today.getSeconds();
    return {time};
}

export default function UpdateButton() {
    const classes = useStyles();
    const today = new Date();
    const time = today + ' ' + today.getHours() + ":" + today.getMinutes() + ":" + today.getSeconds();
    return (
        <div>
            <Button variant="contained" className={classes.button}>
                Update
            </Button>
            <text>Last Updated: {getTime}</text>
        </div>
    )
};

I am trying to render the time in the text tag but it keep throwing error. How do I resolve this issue. This is under react framework.

Upvotes: 0

Views: 59

Answers (2)

Melchia
Melchia

Reputation: 24234

SInce you didn't share the error I'm going to guess it's because you return a function in your JSX:

const getTime = () => {
    const today = new Date();
    const time = today + ' ' + today.getHours() + ":" + today.getMinutes() + ":" + today.getSeconds();
    return time;
}

export default function UpdateButton() {
    const classes = useStyles();
    const today = new Date();
    const time = today + ' ' + today.getHours() + ":" + today.getMinutes() + ":" + today.getSeconds();
    return (
        <div>
            <Button variant="contained" className={classes.button}>
                Update
            </Button>
            <text>Last Updated: {getTime()}</text>
        </div>
    )
};

Upvotes: 1

Ori Drori
Ori Drori

Reputation: 191946

The getTime function should return a string and not an object, and you should call it in the JSX - getTime():

const getTime = () => {
  const today = new Date();
  const time = today + ' ' + today.getHours() + ":" + today.getMinutes() + ":" + today.getSeconds();
  return time;
}

function UpdateButton() {
  return (
    <div>
      <button variant="contained">
        Update
      </button>
      <text>Last Updated: {getTime()}</text>
    </div>
  )
};

ReactDOM.render(
  <UpdateButton /> ,
  root
);
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.6.3/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.6.3/umd/react-dom.production.min.js"></script>

<div id="root"></div>

Upvotes: 2

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