data is not defined

我加了你的新代碼,但會有error, 說data is not defined.我不知道哪里做錯。

d3.csv("data.csv", type, function(data){

console.log(data);

});

function type(d){

d.population = +d.population;

return d;

}

var bar_width = 50,

bar_padding = 10,

svg_width = (bar_width + bar_padding) * data.length,? ?<-------'data is not defined'

svg_height=500;

慕九州8124222

2018-07-22

源自：使用D3制作圖表 4-3

關(guān)注問題我要回答

5338

操作

收起

1 回答

qq_大神棍_03803996
2018-07-24

兄弟?這樣才對

d3.csv("data.csv",?type,?function(data){

????console.log(data);
????function?type(d){

????????d.population?=?+d.population;

????????return?d;

????}



????var?bar_width?=?50,

????????bar_padding?=?10,

????????svg_width?=?(bar_width?+?bar_padding)?*?data.length,?

????svg_height=500;

});