$.each(<variable>,function(){
/// codigo
});
$.ajax({
url: "lorem.ipsum.com/dolor",
type: "POST",
dataType:'json',
delay:250,
cahe: false,
data : {
"dato" : 1
},
success : function(){
}
});
var array = [1,2,3];
var json = JSON.stringify(array);
var json = JSON.parse(array);
var time = 2000;
setTimeout(function(){
/// CODE
}, this.time);
time
, time en milisegundos 2000 = 2 segundos