forEach
const arraySparse = [1,3,,7]
let numCallbackRuns = 0
arraySparse.forEach((element) => {
console.log(element)
numCallbackRuns++
})
console.log("numCallbackRuns: ", numCallbackRuns)
// 1
// 3
// 7
// numCallbackRuns: 3
// comment: as you can see the missing value between 3 and 7 didn't invoke callback function.how to use foreach
// In the case of swiftui's foreach
// Make sure to import swiftui first as foreach is not native
let names = ["ken","ben"]
ForEach(names) { name in
Text(name)
}
// this loops through the names, and creates a text view for each name
// so it is something like
Text("ken")
Text("ben")Copyright © 2021 Codeinu
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