freeCodeCamp/curriculum/challenges/chinese/02-javascript-algorithms-an.../basic-javascript/comparison-with-the-greater...

2.7 KiB

id title challengeType videoUrl localeTitle
56533eb9ac21ba0edf2244d4 Comparison with the Greater Than Operator 1 与大于运营商的比较

Description

大于运算符( > )比较两个数字的值。如果左边的数字大于右边的数字,则返回true 。否则,它返回false 。与等于运算符一样,大于运算符将在比较时转换数据类型的值。 例子
5> 3 //是的
7>'3'//是的
2> 3 //假
'1'> 9 //假

Instructions

greater than运算符添加到指示的行,以便返回语句有意义。

Tests

tests:
  - text: <code>testGreaterThan(0)</code>应返回“10或Under”
    testString: 'assert(testGreaterThan(0) === "10 or Under", "<code>testGreaterThan(0)</code> should return "10 or Under"");'
  - text: <code>testGreaterThan(10)</code>应返回“10或Under”
    testString: 'assert(testGreaterThan(10) === "10 or Under", "<code>testGreaterThan(10)</code> should return "10 or Under"");'
  - text: <code>testGreaterThan(11)</code>应该返回“Over 10”
    testString: 'assert(testGreaterThan(11) === "Over 10", "<code>testGreaterThan(11)</code> should return "Over 10"");'
  - text: <code>testGreaterThan(99)</code>应该返回“Over 10”
    testString: 'assert(testGreaterThan(99) === "Over 10", "<code>testGreaterThan(99)</code> should return "Over 10"");'
  - text: <code>testGreaterThan(100)</code>应该返回“Over 10”
    testString: 'assert(testGreaterThan(100) === "Over 10", "<code>testGreaterThan(100)</code> should return "Over 10"");'
  - text: <code>testGreaterThan(101)</code>应返回“超过100”
    testString: 'assert(testGreaterThan(101) === "Over 100", "<code>testGreaterThan(101)</code> should return "Over 100"");'
  - text: <code>testGreaterThan(150)</code>应该返回“超过100”
    testString: 'assert(testGreaterThan(150) === "Over 100", "<code>testGreaterThan(150)</code> should return "Over 100"");'
  - text: 您应该至少使用<code>&gt;</code>运算符两次
    testString: 'assert(code.match(/val\s*>\s*("|")*\d+("|")*/g).length > 1, "You should use the <code>&gt;</code> operator at least twice");'

Challenge Seed

function testGreaterThan(val) {
  if (val) {  // Change this line
    return "Over 100";
  }

  if (val) {  // Change this line
    return "Over 10";
  }

  return "10 or Under";
}

// Change this value to test
testGreaterThan(10);

Solution

// solution required