Is it possible to make a loop in javascript that acts like a loop in a batch file?

Question

So I was making loops in a batch file which just keep going until you stop it. I wanted to do this in Javascript, but I wouldn't know how, because my understanding is that Javascript loops are only run once, and it only shows the output of the loop once.

Here is my loop:

@echo off
:loop
echo Hello!
goto loop

So when I put this into a batch file and run it, it will spam 'Hello!' until I close the program. That's what I want Javascript to do, but I don't quite know how to do that, and any help or input would be appreciated, thanks!

@Zachuks Javascript is browser based language. It has nothing to do with desktop application like batch files. What is your exact expectation about Javascript? — Ganesh Babu
– Ganesh Babu, Commented Apr 1, 2014 at 13:51

Gerald Schneider · Accepted Answer · 2014-04-01 13:46:01Z

2

while (true) {
  // echo hello
}

answered Apr 1, 2014 at 13:46

Gerald Schneider

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Comments

Anoop · Accepted Answer · 2014-04-01 13:46:39Z

1

This can be achieved by simple while loop;

while(true){
   document.write("Hello!");
}

answered Apr 1, 2014 at 13:46

Anoop

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Comments

Rahul Tripathi · Accepted Answer · 2014-04-01 13:46:53Z

1

Try this:

while (1) {
  document.write("Hello!"); 
}

answered Apr 1, 2014 at 13:46

Rahul Tripathi

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Comments

filmor · Accepted Answer · 2014-04-01 13:49:31Z

1

A more sensible scheme than a "raw" endless loop is to use the setTimeout or setInterval functions to make the browser not block while your code is running:

function fancy_output_func() {
    // bla
}

setInterval(fancy_output_func, 0);

answered Apr 1, 2014 at 13:49

filmor

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2 Comments

Zachucks Over a year ago

I think this is what I want, because I did just the loop, and it won't load any content when I run it. Thanks!

filmor Over a year ago

You might also want to refrain from actually using a 0 there, this value is the interval in milliseconds so 100 should be enough most of the time.

Werner · Accepted Answer · 2014-04-01 14:07:33Z

0

I'm pretty sure there are some more ways to do that but here a a few

for(;;) { 
    //endless loop
}

while(1) {
    //endless loop
}

function a() {
    //endless loop
    a();
}

answered Apr 1, 2014 at 14:07

Werner

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