javascriptarraysloopsforeachiteration 5654 如何使用JavaScript循环遍历数组中的所有条目? -Dante1986 使用for...of 循环。请参阅 https://www.w3schools.com/JS/js_loop_forof.asp。- user19690494 与“如何在JavaScript中循环遍历数组”几乎相同,但略微更为通用的内容。- outis ...
❮PreviousJavaScript ArrayReferenceNext❯ Example 1 Calls a function for each element in fruits: constfruits = ["apple","orange","cherry"]; fruits.forEach(myFunction); Try it Yourself » Description TheforEach()method calls a function for each element in an array. ...
javascriptarrays 267 $('button').click(function () { [1, 2, 3, 4, 5].forEach(function (n) { if (n == 3) { // it should break out here and doesn't alert anything after return false } alert(n) }) }) Click me 我的问题是:为什么即使调用了return,它仍然会提示下一个数字?
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