A piece of code that abstracts the factory pattern in the book JavaScript Design pattern: var VehicleFactory = function(subType, superType){ if(typeof VehicleFactory[superType] === function ){ function F(){}; F.prototype = new V...
there is a ready-made CET-4 and CET-6 vocabulary on the Internet. Api can get words, translations, phonetic symbols and audio URLs through the vocabulary request. the local audio that Mini Program requests to save 500words at a time, there are three wa...
problem description Open two serial ports at the same time in Android environment, one of them receives the instruction and sends the instruction to the other, but the command of the second serial port will block and often return garbled or the two in...
this way of writing will prompt critical dependecy vue-router document const Foo = () => import( . Foo.vue ) resolve ...
how to solve it, gods! ...
this is the echarts code in my Mini Program. The page has obtained the data and written it to data through setData . now I d like to ask, how do I write the value in this teamname to the data in echarts? function initChart(canvas, width, height) { ...