Javascript Auto run a function [duplicate]

Question

I want my function "thing()" to run automatically from the page load. At the moment it is activated by a button.

HTML

<button onclick="thing()">Greeting</button>

Javascript

function thing() {
  var greeting;
  var time = new Date().getHours();
  if (time < 10) {
    greeting = "Good morning";
  } else if (time < 20) {
    greeting = "Good day";
  } else {
    greeting = "Good Evening";
  }
  document.getElementById("address").innerHTML = greeting;
}

I am very new to java script so as simply please.

stackoverflow.com/questions/9899372/…

Jayesh Goyani
– Jayesh Goyani

2015-05-12 11:52:28 +00:00
Commented May 12, 2015 at 11:52 — Jayesh Goyani
– Jayesh Goyani, Commented May 12, 2015 at 11:52

Akshay Khandelwal · Accepted Answer · 2015-05-12 11:51:54Z

0

window.onload = thing();

will run the function automagically!!

answered May 12, 2015 at 11:51

Akshay Khandelwal

1,56811 silver badges19 bronze badges

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3 Comments

Jack Over a year ago

should be more correct writing window.addEventListener('load', thing); as there may be more than one function to run

lesquishy Over a year ago

window.onload = thing(); Didnt Work But window.addEventListener('load', thing); did. Thanks

bfontaine Over a year ago

It doesn’t work because windows.onload = thing() assignes the result of calling thing() to window.onload.

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