freeCodeCamp/curriculum/challenges/chinese-traditional/02-javascript-algorithms-an.../basic-javascript/compound-assignment-with-au...

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id title challengeType videoUrl forumTopicId dashedName
56533eb9ac21ba0edf2244b1 複合賦值之 *= 1 https://scrimba.com/c/c83vrfa 16662 compound-assignment-with-augmented-multiplication

--description--

*= 操作符是讓變量與一個數相乘並賦值。

myVar = myVar * 5;

myVar 乘以 5。 等價於:

myVar *= 5;

--instructions--

使用 *= 操作符對 abc 實現賦值相乘操作。

--hints--

a 應該等於25

assert(a === 25);

b 應該等於36

assert(b === 36);

c 應該等於46

assert(c === 46);

應該對每個變量使用 *= 操作符。

assert(code.match(/\*=/g).length === 3);

不要修改註釋上面的代碼。

assert(
  /var a = 5;/.test(code) &&
    /var b = 12;/.test(code) &&
    /var c = 4\.6;/.test(code)
);

--seed--

--after-user-code--

(function(a,b,c){ return "a = " + a + ", b = " + b + ", c = " + c; })(a,b,c);

--seed-contents--

var a = 5;
var b = 12;
var c = 4.6;

// Only change code below this line
a = a * 5;
b = 3 * b;
c = c * 10;

--solutions--

var a = 5;
var b = 12;
var c = 4.6;

a *= 5;
b *= 3;
c *= 10;