#Usage Examples
Here are some examples of Lua code that will run on the browser using the luavmjs virtual machine:
##Hello World
<?lua@client
-- Log it to the console
print('hello' .. ' ' .. 'world!')
?>
##Manipulation of the DOM
<div id="app"></div>
<?lua@client
local app = js.global.document:getElementById('app')
print(app.textContent)
app.textContent = 'lets go'
js.global.window:alert('This code was written in Lua')
?>
##Run JS from Lua
<?lua@client
print(js.global:eval('[0,1,2,3,4,5][3]'))
?>
##Callbacks into Lua
<?lua@client
local window = js.global -- global object in JS is the window
window:setTimeout(function() print('hello from lua callback') end, 2500)
?>
##Call constructors (global, or as properties of other objects)
<?lua@client
print("i made an ArrayBuffer of size " .. js.new(js.global.ArrayBuffer, 20).byteLength)
?>
##Exporting Lua modules to the browser
Not possible yet using this VM.
##Script Tag Support
<?lua@client?><!-- Serve the VM first-->
<script type="text/lua">
js.window:alert('Hello World from Lua!')
</script>If you use this method, the Lua scripts will run after the page has loaded. For immediate execution, use the <?lua@client tag as explained above.