JavaScript不可变的数据结构：seamless-immutable
jopen
9年前
JavaScript的不可变数据结构，向后兼容正常的JS Arrays 和 Objects。
Use them in for loops, pass them to functions expecting vanilla JavaScript data structures, etc.
var array = Immutable(["totally", "immutable", {hammer: "Can’t Touch This"}]); array[1] = "I'm going to mutate you!" array[1] // "immutable" array[2].hammer = "hm, surely I can mutate this nested object..." array[2].hammer // "Can’t Touch This" for (var index in array) { console.log(array[index]); } // "totally" // "immutable" // { hammer: 'Can’t Touch This' } JSON.stringify(array) // '["totally","immutable",{"hammer":"Can’t Touch This"}]' This level of backwards compatibility requires ECMAScript 5 features like Object.defineProperty and Object.freeze to exist and work correctly, which limits the browsers that can use this library to the ones shown in the test results below. (tl;dr IE9+)
