var filterEmpty = people.filter(function(item, index, array){ }); console.log(filterEmpty); // 沒有條件，會是一個空陣列 var filterAgeThan5 ... ... <看更多>

JavaScript Array filter() method in detail ... The filter() method creates a new array with all the elements that pass the test implemented by the callback() ... ... <看更多>

You can use the this parameter of the filter() function to avoid to store your filter array in a global ... If you are using lodash.js , use _.difference ... <看更多>

This might be a case of pre-optimization. Each call to filter will loop over the array, so your first example iterates twice. ... <看更多>

* must be included or not in the filtered array. */. Raw. filterArray.test.js ... ... <看更多>