Mozilla is a non-profit organization dedicated to keeping the web accessible and open for users globally, primarily through its products like Firefox. The document includes various JavaScript and WebAssembly code snippets demonstrating functionalities such as shader compilation and Fibonacci calculations. It also contains information about the organization’s mission and projects related to web standards and technologies.

5. Open Source Project

6. Proudly non-profit, Mozilla makes products
like Firefox with a mission to keep the power
of the Web in the hands of users everywhere.
Mozilla Mission (https://www.mozilla.org/en-US/mission/)

7. To ensure the Internet is a global public
resource, open and accessible to all.
Mozilla Mission(https://www.mozilla.org/en-US/mission/)

8. Web is the platform

28. function createShader (gl, sourceCode, type) {
// Compiles either a shader of type gl.VERTEX_SHADER or gl.FRAGMENT_SHADER
var shader = gl.createShader( type );
gl.shaderSource( shader, sourceCode );
gl.compileShader( shader );
if ( !gl.getShaderParameter(shader, gl.COMPILE_STATUS) ) {
var info = gl.getShaderInfoLog( shader );
throw "Could not compile WebGL program. nn" + info;
}
}

36. var x = 42;
var y = "a string";
var z = x + y; // z = "42a string"
eval("z = z.substr(1, 2)"); // z = "2a"
[1, "two", { three: 3 }].forEach(function(item) {
if (typeof item === typeof z) console.log([z, item]);
}); // emits ["2a", "two"]

38. function fib(n){
if(n < 2){
return 1;
}
return fib(n - 1) + fib(n - 2);
}

39. function fib(n){
if(n < 2){
return 1;
}
return fib(n - 1) + fib(n - 2);
}
function fib(n) {
n = n|0;
if(n >>> 0 < 3){
return 1 | 0;
}
return ((fib(n - 1 | 0) | 0) + (fib(n - 2 | 0) | 0)) | 0;
}

43. int func(int *p) {
int r = *p;
return calc(r, r << 16);
}
function func(p) {
var r = HEAP32[p >> 2];
return calc(r, r << 16);
}

44. float array[5000]; // C++
int main() {
for (int i = 0; i < 5000; ++i) {
array[i] += 1.0f;
}
}

45. float array[5000]; // C++
int main() {
for (int i = 0; i < 5000; ++i) {
array[i] += 1.0f;
}
}
var buffer = new ArrayBuffer(32768); // JavaScript
var HEAPF32 = new Float32Array(buffer);
function main() {
var a = 0, b = 0;
do {
a = (8 + (b << 2)) | 0;
HEAPF32[a >> 2] = +HEAPF32[a >> 2] + 1.0;
b = (b + 1) | 0;
} while ((b | 0) < 5000);
}

46. Single build & secure execution

50. -rw-r--r-- 1 chiko staff 99B 12 22 17:38 Makefile
-rw-r--r-- 1 chiko staff 1.9K 12 22 17:29 app.js
-rw-r--r-- 1 chiko staff 247B 12 22 11:31 fib-asm.js
-rw-r--r-- 1 chiko staff 220B 12 21 17:36 fib.cpp
-rw-r--r-- 1 chiko staff 184K 12 22 17:38 fib.js
-rw-r--r-- 1 chiko staff 2.8K 12 22 17:38 fib.js.mem
-rw-r--r-- 1 chiko staff 1.2K 12 22 17:10 index.html

54. function () {
"use asm";
function add(x, y) {
x = x | 0;
y = y | 0;
return x + y | 0;
}
return { add: add };
}

55. (module
(memory 16777216 16777216)
(export "add" $add)
(func $add (param $x i32) (param $y i32) (result i32)
(i32.add
(get_local $x)
(get_local $y)
)
)
)

57. MozVR

60. Thank you & Questions?