摘要:
function baiduToWgs84(position){ var bdLon = position[0]; var bdLat = position[1]; var PI = 3.14159265358979324; var x_pi = 3.14159265358979324 * 3000 阅读全文
摘要:
我们先来通过两个例子来了解 new 的作用 function Test(name) Test.prototype.sayName = function () { console.log(this.name) } const t = new Test('yck') console.log(t.name 阅读全文