--- id: 56533eb9ac21ba0edf2244d7 title: Comparison with the Less Than Or Equal To Operator challengeType: 1 videoUrl: '' localeTitle: 与小于或等于运算符的比较 --- ## Description
less than or equal to运算符( <= )比较两个数字的值。如果左边的数字小于或等于右边的数字,则返回true 。如果左侧的数字大于右侧的数字,则返回false 。与等于运算符一样, less than or equal to转换数据类型。 例子
4 <= 5 //是的
'7'<= 7 //是的
5 <= 5 //是的
3 <= 2 //假
'8'<= 4 //假
## Instructions
less than or equal to运算符添加到指示的行,以便返回语句有意义。
## Tests
```yml tests: - text: testLessOrEqual(0)应该返回“小于或等于12” testString: assert(testLessOrEqual(0) === "Smaller Than or Equal to 12"); - text: testLessOrEqual(11)应返回“小于或等于12” testString: assert(testLessOrEqual(11) === "Smaller Than or Equal to 12"); - text: testLessOrEqual(12)应返回“小于或等于12” testString: assert(testLessOrEqual(12) === "Smaller Than or Equal to 12"); - text: testLessOrEqual(23)应返回“小于或等于24” testString: assert(testLessOrEqual(23) === "Smaller Than or Equal to 24"); - text: testLessOrEqual(24)应返回“小于或等于24” testString: assert(testLessOrEqual(24) === "Smaller Than or Equal to 24"); - text: testLessOrEqual(25)应该返回“超过24” testString: assert(testLessOrEqual(25) === "More Than 24"); - text: testLessOrEqual(55)应该返回“超过24” testString: assert(testLessOrEqual(55) === "More Than 24"); - text: 你应该至少使用<=运算符两次 testString: assert(code.match(/val\s*<=\s*('|")*\d+('|")*/g).length > 1); ```
## Challenge Seed
```js function testLessOrEqual(val) { if (val) { // Change this line return "Smaller Than or Equal to 12"; } if (val) { // Change this line return "Smaller Than or Equal to 24"; } return "More Than 24"; } // Change this value to test testLessOrEqual(10); ```
## Solution
```js // solution required ```