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Minor improvements and fix typos for JS documentation #33

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Jul 16, 2018
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Minor improvements and fix typos for JS documentation #33

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10 changes: 5 additions & 5 deletions JS/JS-en.md
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Expand Up @@ -274,7 +274,7 @@ console.log(c.a);
// is another situation whom's priority is only second to `new`
```

Understanding the above several situstions , we won’t be confused by `this` in a lot of codes，then let’s take a look at `this` of arrow function
Understanding the above several situations , we won’t be confused by `this` in a lot of codes，then let’s take a look at `this` of arrow function
```js
function a() {
return () => {
Expand Down Expand Up @@ -633,7 +633,7 @@ const clone = await structuralClone(obj);

# Modularization

With Babel, we can directly use ES6's modularizaiton.
With Babel, we can directly use ES6's modularization.

```js
// file a.js
Expand Down Expand Up @@ -718,7 +718,7 @@ define(function(require, exports, module) {

Firstly, let’s tell the difference between the former two.

Both `call` and `apply` are used to change what `this` refers to.Their role is the same, but the way to pass the parameters is different.
Both `call` and `apply` are used to change what `this` refers to. Their role is the same, but the way to pass the parameters is different.

In addition to the first parameter, `call` can accept an argument list, while `apply` accepts a single array of arguments.

Expand Down Expand Up @@ -781,7 +781,7 @@ Function.prototype.myApply = function (context) {

The role of `bind` is the same as the other two, except that it returns a function. And we can implement currying with `bind`

let’s simulate `bind`
Let’s simulate `bind`

```js
Function.prototype.myBind = function (context) {
Expand Down Expand Up @@ -1063,7 +1063,7 @@ function test() {

# Debouncing

Have you ever encountered this problem in your development: how to do a complex computation in a rolling event or to prevent the "secend accidental click" on a button?
Have you ever encountered this problem in your development: how to do a complex computation in a rolling event or to prevent the "second accidental click" on a button?

These requirements can be achieved with function debouncing. Especially for the first one, if complex computations are carried out in frequent event callbacks, there's a large chance that the page becomes laggy. It's better to combine multiple computations into a single one, and only operate at a precise point in time. Since there are many libraries that implement debouncing, we won't build our own here and will just take underscore's source code to explain debouncing.

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