for remote data.json
replace :
d3.tsv("data.tsv", function(error, data) {...}
with :
d3.json("data.json", function(error, data) {
console.log(data); // this is your data
});
for local data:
var myData = { {date:'2013-05-01', frequency:99},
{date:'2013-05-02', frequency:24} };
function draw(data) {
console.log(data); // this is your data
}
draw(myData);