如何在 JavaScript 中显示给定数组的值?换句话说,如何使用console.log over“pie”来显示(42.9、37.9和19.2)?
它尝试了 console.log(Object.values(pie)) 但没有成功。多谢。
这就是我创建数组的方式:
var width = 350
height = 350
margin = 40
// The radius of the pieplot is half the width or half the height (smallest one). I subtract a bit of margin.
var radius = Math.min(width, height) / 2 - margin
// append the svg object to the div called 'my_dataviz'
var svg = d3.select("#my_dataviz_b")
.append("svg")
.attr("width", width)
.attr("height", height)
.append("g")
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");
var color =["#98abc5", "#8a89a6", "#7b6888"]
var annotations = ["Home win", "Draw game", "Away win"]
var data = d3.selectAll('.values_half_before').nodes();
var pie = d3.pie() //we create this variable, for the values to be readeable in the console
.value(function(d) {return d.innerHTML; })(data);
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