An alternative to For -loops is Array.prototype.forEach() , which uses the following syntax : myArray.forEach(function(value, key, myArray) ... ... <看更多>

jQuery.each VS FB.Array.forEach. GitHub Gist: instantly share code, notes, and snippets. ... <看更多>

find() 與filter() 很像，但find() 只會回傳一次值，且是第一次為true 的值。 var findEmpty = people.find(function(item, index, array){ }); ... ... <看更多>

Knockout will supply the following parameters to your callback: A DOM node being added to the document; The index of the added array element ... ... <看更多>

Performance considerations when using jquery each function jQuery each function is used to iterate over the ... ... <看更多>