我对ionic2/Angular2/Typescript是全新的。我正在创建一个有八个切片的轮子。我很难申报变量。我如何声明多个变量?如何在离子2/Angular2/typescript中声明多个变量?
在javascript中我已经声明象下面这样:
function rand(min, max) {
return Math.random() * (max - min) + min;
}
var color = ['#fbc','#f88','#fbc','#f88','#fbc','#f88', "#fbc", "#f67"];
var label = ['10', '200', '50', '100', '5', '500', '0', "jPOT"];
var slices = color.length;
var sliceDeg = 360/slices;
var deg = rand(0, 360);
var speed = 0;
var slowDownRand = 0;
var ctx = canvas.getContext('2d');
var width = canvas.width; // size
var center = width/2; // center
var isStopped = false;
var lock = false;
function deg2rad(deg) {
return deg * Math.PI/180;
}
如何申报ionic2?
不知道离子但打字稿使用可以使用'var'太多,但有键入'let',你可以使用本地范围 –