send an sms in javascript

To send an SMS in JavaScript, you can use the Twilio API. Here is an example code snippet using Twilio's Node.js library:

index.tsx
const accountSid = 'YourAccountSid';
const authToken = 'YourAuthToken';
const client = require('twilio')(accountSid, authToken);

client.messages
  .create({
    body: 'Hello from Twilio!',
    from: '+1 yourtwiliophoneno',
    to: '+1 recipientphoneno'
  })
  .then(message => console.log(message.sid))
  .catch(err => console.log(err));
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Replace YourAccountSid, YourAuthToken, yourtwiliophoneno, and recipientphoneno with your own Twilio account credentials and phone numbers.

Note that Twilio is a paid service and you will need to sign up and purchase a phone number before you can start sending SMS messages.