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Fixed code formatting (#23068)

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Added curly brackets where they had been left out of the code snippets. Also fixed two grammatical errors on line 52
This commit is contained in:
kViking
2018-12-01 12:17:12 -08:00
committed by Huyen Nguyen
parent 71a502d616
commit f09e84ff14
1 changed files with 26 additions and 24 deletions
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36
guide/english/javascript/if-else-statement/index.md
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@ -8,24 +8,26 @@ The `if` statement executes a statement if a specified condition is `true`. If t
**Note:** The `else` statement is optional. **Note:** The `else` statement is optional.
```javascript ```javascript
if (condition) if (condition) {
/* do something */ /* do something */
else } else {
/* do something else */ /* do something else */
}
``` ```
Multiple `if...else` statements can be chained to create an `else if` clause. This specifies a new condition to test and can be repeated to test multiple conditions, checking until a true statement is presented to execute. Multiple `if...else` statements can be chained to create an `else if` clause. This specifies a new condition to test and can be repeated to test multiple conditions, checking until a true statement is presented to execute.
```javascript ```javascript
if (condition1) if (condition1) {
/* do something */ /* do something */
else if (condition2) } else if (condition2) {
/* do something else */ /* do something else */
else if (condition3) } else if (condition3) {
/* do something else */ /* do something else */
else } else {
/* final statement */ /* final statement */
}
``` ```
**Note:** If you want to execute more than one statement in the `if`, `else` or `else if` part, curly braces are required around the statements: **Note:** If you want to execute more than one statement in the `if`, `else` or `else if` part, curly braces are required around the statements:
@ -63,28 +65,28 @@ const num = someCondition ? 1 : 2;
**Using** `if...else`: **Using** `if...else`:
```javascript ```javascript
// If x=5 then z=7 and q=42 else z=19. // If x = 5, then z = 7 and q = 42.
if (x === 5) { // If x is not 5, then z = 19.
if (x == 5) {
z = 7; z = 7;
q = 42; q = 42
}else{ } else {
z = 19; z = 19;
} }
``` ```
**Using** `else if`: **Using** `else if`:
```javascript ```javascript
// Categorising any number x as a small, medium, or large number if (x < 10) {
if (x < 10)
return "Small number"; return "Small number";
else if (x < 50) } else if (x < 50) {
return "Medium number"; return "Medium number";
else if (x < 100) } else if (x < 100) {
return "Large number"; return "Large number";
else { } else {
flag = 1; flag = 1;
return "Invalid number"; return "Invalid number";
} }
``` ```
**Using** `if` **alone**: **Using** `if` **alone**: