freeCodeCamp/guide/chinese/certifications/javascript-algorithms-and-data-structures/basic-javascript/subtract-one-number-from-another-with-javascript/index.md

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Subtract One Number from Another with JavaScript	使用JavaScript从另一个数字中减去一个数字

使用JavaScript从另一个数字中减去一个数字

使用' - '减法运算符，您可以得到两个数字的差异......

var diff1 = 30 - 14; // Difference is 16 
 var diff2 = 90 - 60; // Difference is 30