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我正在開發一款內置搜索功能的應用程序。但是，當我在模擬器（還有運行Android 5.1的Nexus 7（2012）平板電腦）上搜索Android 5.1或更低版本時，出現錯誤，說明「undefined不是函數」，它位於迭代的第一行通過它必須搜索的列表。 Whyis在所有Android版本上無法正常工作？自定義搜索功能不適用於Android 5.1及更低版本
這裏是我的代碼：
controllers.js
$scope.vacaturesZoeken = function() {
// Variable is value of search box
var zoekterm = document.getElementById('search_id').value;
// Check whether there is a proper search term in the variable
if (zoekterm.length === 0 || zoekterm.length === 1) {
// Variable is null, this will be used to check in the function
zoekterm = null;
}
// Search function
Vacatures.zoek($scope, zoekterm);
}
services.js
// Defining search function
zoek: function($VacatureZoekLijstscope, zoekterm) {
// Setting variable for found items to 0
searched.length = 0;
// For every item in vacatures
for (var i = 0; i < vacatures.length; i++) {
// When the box is checked to only search for location
if (document.getElementById("locatie_check").checked === true) {
// Here is where is checked whether the variable is null
if (zoekterm === null) {
return false;
}
// When the searchterm is in the location property of an item
else if (vacatures[i].locatie.toLowerCase().includes(zoekterm.toLowerCase())) {
// Add item to variable
searched.push(vacatures[i]);
}
}
誰能告訴我什麼是使用這個Android裝置上的5.1版本腳麻或更低？提前致謝！