This pattern is so common that .forEach() accepts an optional parameter for substituting this in the callback: JavaScript const collection = { items: ['apple', 'banana', 'orange'], type: 'fruit', show: function() { this.items.forEach(function(item) { console.log(`${item} is a ...
Example Raise a TypeError if x is not an integer: x ="hello" ifnottype(x) isint: raiseTypeError("Only integers are allowed") Try it Yourself » W3schools Pathfinder Track your progress - it's free! Log inSign Up
https://mp.weixin.qq.com/s/PJq0G8ae2H66QRCEs9FNrg https://towardsdatascience.com/making-python-programs-blazingly-fast-c1cd79bd1b32 如何加速Python代码? https://mp.weixin.qq.com/s/QWH9qhKzECX-1rqDLfZyhw https://towardsdatascience.com/how-to-speed-up-your-python-code-d31927691012 ...