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从发展历史可以总结技术发展规律，如何从一个个人项目到W3C标准
为什么把worker拿出来，因为两者可以搭配使用
// js胶水代码 cp "$(go env GOROOT)/misc/wasm/wasm_exec.js" .
// html模版代码 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> <div id="root"></div> </body> <script src="wasm_exec.js"></script> <script> const go = new Go(); WebAssembly.instantiateStreaming(fetch("main.wasm"), go.importObject) .then((result) =>{ go.run(result.instance) }); </script> </html>
package main import ( "fmt" "syscall/js" "time" ) // js可以调用的函数 func forJsFunc(this js.Value, args []js.Value) any { // duration := int(js.Value(args[0]).Int()) duration := args[0].Int() var cb = args[len(args)-1] go func() { // time.Sleep(time.Second * duration) time.Sleep(time.Duration(duration) * time.Second) str := fmt.Sprintf("it's %d second", duration) cb.Invoke(js.ValueOf(str)) }() return nil } func main() { done := make(chan int, 0) // js的golbal var jsGlobal = js.Global() // Set、Get对象等 var document = jsGlobal.Get("document") var root = document.Call("getElementById", "root") root.Set("innerHTML", js.ValueOf("hello world!")) var alert = jsGlobal.Get("alert") // 执行 alert.Invoke("alert") // 设置js的全局函数 jsGlobal.Set("wamsFunc", js.FuncOf(forJsFunc)) <-done } // 编译 GOARCH=wasm GOOS=js go build -o test.wasm main.go
Golang syscall/js 文档
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什么是WebAssembly
发展历史
从性能进一步探索前端方案：WebAssembly、Worker、JavaScript对比
eg用golang写wasm
Golang syscall/js 文档
The text was updated successfully, but these errors were encountered: