```js
"x". //+ charAt, concat, ...
"x".ch //+ charAt, charCodeAt

(10).to //+ toFixed, toPrecision, toString, toLocaleString, toString

var a = [1];
a = 10;
a. //+ forEach, toFixed, ...

Object.crea //+ create @8
```
```json
[
  {
    "id": "02d5b070-7aef-11e6-9086-d9a24830dff7",
    "name": "a",
    "addr": "/a/",
    "kind": "v",
    "type": "[number]|number",
    "lineno": 6,
    "parent": "02d56250-7aef-11e6-9086-d9a24830dff7",
    "origin": {
      "!span": "134[5:4]-135[5:5]",
      "!type": "[number]|number",
      "!data": {
        "isConstructor": false,
        "scoped": false,
        "isArg": false
      }
    },
    "tagfile": "__DIR__/hint_simple.js"
  }
]
```
```ctags
a	__DIR__/hint_simple.js	/a/;"	v	lineno:6	type:[number]|number
```