how to send an alert in javascript


//you can either do this:

function mousePressed() {
//you can have any message
alert("I'm the best");
}

//or you can do this:

function keyPressed() {
//you can do any key
if (keyCode === UP_ARROW) {
//and any message
alert(number = random(0, 500));
}
}

//or you can do an (if) statement

if(x > width) {
alert("yay you did it");
}

Alert in JS doesn't return anything -- it just Displays Message

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how to send authorization in header of HTTP GET using ajax


var username="username_here";
var password="password_here";
$.ajax({
type: "GET",
url: "myapi.php",
dataType: 'json',
headers: {
"Authorization": "Basic " + btoa(username + ":" + password)
},
success: function (result){
console.log(result)
}
});

AJAX Authorization

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how to send emails using nodejs


var nodemailer = require('nodemailer');

var transporter =
nodemailer.createTransport({
  service: 'gmail',
  auth: {
   
user: 'youremail@gmail.com',
   
pass: 'yourpassword'
  }
});

var mailOptions = {
 
from: 'youremail@gmail.com',
 
to: 'myfriend@yahoo.com',
  subject: 'Sending Email using Node.js',
  text:
'That was easy!'
};

transporter.sendMail(mailOptions,
function(error, info){
  if (error) {
    console.log(error);
  } else {

   
console.log('Email sent: ' + info.response);
  }
});

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