var x = [{"name":"admission[year]","value":"2011-12"},{"name":"admission[class]","value":"Nursery"}]
var i, len = x.length;
for(i = 0; i < len; i++)
console.log(x[i].name + ': ' + x[i].value);
Выходы:
admission[year]: 2011-12
admission[class]: Nursery
IE.x[0].name === "admission[year]"
и x[1].value === "Nursery"