JavaScript: JS-objects a simple example

index.html

<script>
var body = d3.select('body');


var an_object = {key1:"value1", key2:"value2"}

body.append("text").text("1: ",an_object['key1'])
body.append("text").text("2: ",an_object.key1)

for (one_key in an_object){
	body.append("text").text("3.1: ",one_key)
	body.append("text").text("3.1: ",an_object[one_key])
}

</script>