我對ionic2/Angular2/Typescript是全新的。我正在創建一個有八個切片的輪子。我很難申報變量。我如何聲明多個變量?如何在離子2/Angular2/typescript中聲明多個變量?
在javascript中我已經聲明象下面這樣:
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;
}
如何申報ionic2?
不知道離子但打字稿使用可以使用'var'太多,但有鍵入'let',你可以使用本地範圍 –