Static analysis covers a range of techniques. Linters sit at one end: they parse the code into a syntax tree and match against shapes in that tree: eval() called with anything other than a string ...

Create an array of 5 numbers. Print the first, the last, the length and the sum. Find the second largest number in an array without using sort(). Given [[1,2,3],[4,5,6]], print every element with ...

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本内容遵循CC 4.0 BY-SA版权协议 写TypeScript写了一段时间后，你会发现一个特别反直觉的现象： const 明明是"常量"，但 const arr = [] 之后照样可以 arr.push(1) ， const obj = {} 之后照样可以改 obj.name 。