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Commit93c325a

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docs: rewrite examples with var using let and const (#19398)
1 parent56ff404 commit93c325a

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4 files changed

+37
-37
lines changed

4 files changed

+37
-37
lines changed

‎docs/src/rules/init-declarations.md

Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -7,8 +7,8 @@ rule_type: suggestion
77
In JavaScript, variables can be assigned during declaration, or at any point afterwards using an assignment statement. For example, in the following code,`foo` is initialized during declaration, while`bar` is initialized later.
88

99
```js
10-
var foo=1;
11-
var bar;
10+
let foo=1;
11+
let bar;
1212

1313
if (foo) {
1414
bar=1;
@@ -22,8 +22,8 @@ if (foo) {
2222
This rule is aimed at enforcing or eliminating variable initializations during declaration. For example, in the following code,`foo` is initialized during declaration, while`bar` is not.
2323

2424
```js
25-
var foo=1;
26-
var bar;
25+
let foo=1;
26+
let bar;
2727

2828
bar=2;
2929
```
@@ -109,7 +109,7 @@ function foo() {
109109
var bar=1;
110110
let baz=2;
111111

112-
for (var i=0; i<1; i++) {}
112+
for (let i=0; i<1; i++) {}
113113
}
114114
```
115115

@@ -141,7 +141,7 @@ Examples of **correct** code for the `"never", { "ignoreForLoopInit": true }` op
141141

142142
```js
143143
/*eslint init-declarations: ["error", "never", { "ignoreForLoopInit": true }]*/
144-
for (var i=0; i<1; i++) {}
144+
for (let i=0; i<1; i++) {}
145145
```
146146

147147
:::

‎docs/src/rules/no-empty-function.md

Lines changed: 18 additions & 18 deletions
Original file line numberDiff line numberDiff line change
@@ -37,15 +37,15 @@ Examples of **incorrect** code for this rule:
3737

3838
functionfoo() {}
3939

40-
varbar=function() {};
40+
constbar=function() {};
4141

42-
varbar= ()=> {};
42+
constbar1= ()=> {};
4343

4444
function*baz() {}
4545

46-
varbar=function*() {};
46+
constbar2=function*() {};
4747

48-
var obj= {
48+
constobj= {
4949
foo:function() {},
5050

5151
foo:function*() {},
@@ -93,23 +93,23 @@ function foo() {
9393
// do nothing.
9494
}
9595

96-
varbaz=function() {
96+
constbaz=function() {
9797
// any clear comments.
9898
};
9999

100-
varbaz= ()=> {
100+
constbaz1= ()=> {
101101
bar();
102102
};
103103

104104
function*foobar() {
105105
// do nothing.
106106
}
107107

108-
varbaz=function*() {
108+
constbaz2=function*() {
109109
// do nothing.
110110
};
111111

112-
var obj= {
112+
constobj= {
113113
foo:function() {
114114
// do nothing.
115115
},
@@ -203,9 +203,9 @@ Examples of **correct** code for the `{ "allow": ["functions"] }` option:
203203

204204
functionfoo() {}
205205

206-
varbar=function() {};
206+
constbar=function() {};
207207

208-
var obj= {
208+
constobj= {
209209
foo:function() {}
210210
};
211211
```
@@ -221,7 +221,7 @@ Examples of **correct** code for the `{ "allow": ["arrowFunctions"] }` option:
221221
```js
222222
/*eslint no-empty-function: ["error", { "allow": ["arrowFunctions"] }]*/
223223

224-
varfoo= ()=> {};
224+
constfoo= ()=> {};
225225
```
226226

227227
:::
@@ -237,9 +237,9 @@ Examples of **correct** code for the `{ "allow": ["generatorFunctions"] }` optio
237237

238238
function*foo() {}
239239

240-
varbar=function*() {};
240+
constbar=function*() {};
241241

242-
var obj= {
242+
constobj= {
243243
foo:function*() {}
244244
};
245245
```
@@ -255,7 +255,7 @@ Examples of **correct** code for the `{ "allow": ["methods"] }` option:
255255
```js
256256
/*eslint no-empty-function: ["error", { "allow": ["methods"] }]*/
257257

258-
var obj= {
258+
constobj= {
259259
foo() {}
260260
};
261261

@@ -276,7 +276,7 @@ Examples of **correct** code for the `{ "allow": ["generatorMethods"] }` option:
276276
```js
277277
/*eslint no-empty-function: ["error", { "allow": ["generatorMethods"] }]*/
278278

279-
var obj= {
279+
constobj= {
280280
*foo() {}
281281
};
282282

@@ -297,7 +297,7 @@ Examples of **correct** code for the `{ "allow": ["getters"] }` option:
297297
```js
298298
/*eslint no-empty-function: ["error", { "allow": ["getters"] }]*/
299299

300-
var obj= {
300+
constobj= {
301301
getfoo() {}
302302
};
303303

@@ -318,7 +318,7 @@ Examples of **correct** code for the `{ "allow": ["setters"] }` option:
318318
```js
319319
/*eslint no-empty-function: ["error", { "allow": ["setters"] }]*/
320320

321-
var obj= {
321+
constobj= {
322322
setfoo(value) {}
323323
};
324324

@@ -369,7 +369,7 @@ Examples of **correct** code for the `{ "allow": ["asyncMethods"] }` options:
369369
```js
370370
/*eslint no-empty-function: ["error", { "allow": ["asyncMethods"] }]*/
371371

372-
var obj= {
372+
constobj= {
373373
asyncfoo() {}
374374
};
375375

‎docs/src/rules/no-extra-boolean-cast.md

Lines changed: 11 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -30,13 +30,13 @@ Examples of **incorrect** code for this rule:
3030
```js
3131
/*eslint no-extra-boolean-cast: "error"*/
3232

33-
var foo=!!!bar;
33+
constfoo=!!!bar;
3434

35-
var foo=!!bar? baz: bat;
35+
constfoo1=!!bar? baz: bat;
3636

37-
var foo=Boolean(!!bar);
37+
constfoo2=Boolean(!!bar);
3838

39-
var foo=newBoolean(!!bar);
39+
constfoo3=newBoolean(!!bar);
4040

4141
if (!!foo) {
4242
// ...
@@ -68,14 +68,14 @@ Examples of **correct** code for this rule:
6868
```js
6969
/*eslint no-extra-boolean-cast: "error"*/
7070

71-
var foo=!!bar;
72-
var foo=Boolean(bar);
71+
constfoo=!!bar;
72+
constfoo1=Boolean(bar);
7373

7474
functionqux() {
7575
return!!bar;
7676
}
7777

78-
varfoo= bar?!!baz:!!bat;
78+
foo= bar?!!baz:!!bat;
7979
```
8080

8181
:::
@@ -109,7 +109,7 @@ if ((!!foo || bar) && !!baz) {
109109
//...
110110
}
111111

112-
var foo=newBoolean(!!bar|| baz);
112+
constfoo=newBoolean(!!bar|| baz);
113113

114114
foo&&Boolean(bar)? baz: bat;
115115

@@ -134,9 +134,9 @@ Examples of **correct** code for this rule with `"enforceForInnerExpressions"` o
134134
```js
135135
/*eslint no-extra-boolean-cast: ["error", {"enforceForInnerExpressions": true}]*/
136136

137-
// Note that `||` and `&&` alone aren't a boolean context for either operand
137+
// Note that `||` and `&&` alone aren't a boolean context for either operand
138138
// since the resultant value need not be a boolean without casting.
139-
var foo=!!bar|| baz;
139+
constfoo=!!bar|| baz;
140140

141141
if (foo|| bar) {
142142
//...
@@ -150,7 +150,7 @@ if ((foo || bar) && baz) {
150150
//...
151151
}
152152

153-
var foo=newBoolean(bar|| baz);
153+
constfoo1=newBoolean(bar|| baz);
154154

155155
foo&& bar? baz: bat;
156156

‎docs/src/rules/no-restricted-properties.md

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -81,7 +81,7 @@ Examples of **incorrect** code for this rule:
8181
"property": "disallowedPropertyName"
8282
}]*/
8383

84-
var example=disallowedObjectName.disallowedPropertyName;/*error Disallowed object property: disallowedObjectName.disallowedPropertyName.*/
84+
constexample=disallowedObjectName.disallowedPropertyName;/*error Disallowed object property: disallowedObjectName.disallowedPropertyName.*/
8585

8686
disallowedObjectName.disallowedPropertyName();/*error Disallowed object property: disallowedObjectName.disallowedPropertyName.*/
8787
```
@@ -126,7 +126,7 @@ Examples of **correct** code for this rule:
126126
"property": "disallowedPropertyName"
127127
}]*/
128128

129-
var example=disallowedObjectName.somePropertyName;
129+
constexample=disallowedObjectName.somePropertyName;
130130

131131
allowedObjectName.disallowedPropertyName();
132132
```

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