Javascript 未定义$scope-代码笔
我正在使用codepen构建一个tic-tac-toe游戏。当我尝试console.logJavascript 未定义$scope-代码笔,javascript,angularjs,Javascript,Angularjs,我正在使用codepen构建一个tic-tac-toe游戏。当我尝试console.log$scope时,它告诉我它没有定义。我确信我有所有正确的语法。这是代码笔链接 var-app=angular.module(“ticTacToe”,[]); app.controller(“MainCtrl”、[“$scope”、函数($scope){ 变量单元格=$(“.square”); $scope.player=“”; $scope.AI=“”; $scope.result=“”; /***选择一个
$scope
时,它告诉我它没有定义。我确信我有所有正确的语法。这是代码笔链接
var-app=angular.module(“ticTacToe”,[]);
app.controller(“MainCtrl”、[“$scope”、函数($scope){
变量单元格=$(“.square”);
$scope.player=“”;
$scope.AI=“”;
$scope.result=“”;
/***选择一个形状***/
$scope.choosePlayer=函数(e){
$scope.player=$(e.currentTarget).text();
$('.choose').css('top','-2000px');
$('#wrapper').css('top','-600px');
$('#wrapper').css('opacity','1');
如果($scope.player==“X”){
$scope.AI=“O”;
}else if($scope.player==“O”){
$scope.AI=“X”;
}
}
/***形状细胞***/
$scope.cells=[{value:'',已禁用:false},
{值:“”,已禁用:false},
{值:“”,已禁用:false},
{值:“”,已禁用:false},
{值:“”,已禁用:false},
{值:“”,已禁用:false},
{value:'',禁用:false},{value:'',禁用:false},
{值:“”,已禁用:false}
];
//对范围单元格进行了引用
$scope.emptyCells=$scope.cells;
$scope.filledCells='';
/***采取行动***/
$scope.move=函数(单元格){
cell.value=$scope.player;
cell.disabled=true;
var round=0;
函数值(元素){
返回元素。值==“”;
}
//检查是否所有单元格都已填充
if($scope.cells.some(hasValue)){
四舍五入=0;
}否则{
轮=1;
$scope.filledCells=$scope.cells;
}
//艾未未采取行动
while(圆形<1){
//过滤以仅获取可用单元格(用于性能)
$scope.emptyCells=$scope.cells.filter(函数(单元格){
返回cell.value=='';
});
//根据空单元格获取随机单元格
var randomCell=$scope.emptyCells[Math.floor((Math.random()*($scope.emptyCells.length-1))+1];
如果(randomCell.value==“”){
randomCell.value=$scope.AI;
randomCell.disabled=真;
轮=1;
}否则{
四舍五入=0;
}
}
$scope.checkResults();
};
$scope.checkDraw=函数(){
if($scope.filledCells&&$scope.checkWinner.status===false){
返回true;
}否则{
返回false;
}
}
$scope.checkWinner=函数(){
var allCells=$scope.cells;
var cell=allCells.value;
var状态=假;
var winningCell=单元格;
如果(
(单元格[0]==单元格[1]&单元格[1]==单元格[2])||
(单元格[3]==单元格[4]&单元格[4]==单元格[5])||
(单元格[6]==单元格[7]&单元格[7]==单元格[8])||
(单元格[0]==单元格[3]&&cell[3]==单元格[6])||
(单元格[1]==单元格[4]&单元格[4]==单元格[7])||
(单元格[2]==单元格[5]&&cell[5]==单元格[8])||
(单元格[0]==单元格[4]&&cell[4]==单元格[8])||
(单元格[2]==单元格[4]&&cell[4]==单元格[6])
) {
状态=真;
winningCell=单元格;
}否则{
状态=假;
}
返回{
状态:状态,
获奖者:winningCell
}
}
//检查值是否相同
$scope.checkResults=函数(){
var winner=$scope.checkWinner.winner;
if($scope.checkWinner.status){
$('#resultswapper').css('top','-600px');
$('#resultswapper').css('opacity','1');
$scope.result=winner+“是赢家”;
$scope.reset();
}
如果($scope.checkDraw){
$('#resultswapper').css('top','-600px');
$('#resultswapper').css('opacity','1');
$scope.result=“这是一个平局”;
$scope.reset();
}
}
$scope.reset=函数(){
$scope.cells=[{value:'',已禁用:false},
{值:“”,已禁用:false},
{值:“”,已禁用:false},
{值:“”,已禁用:false},
{值:“”,已禁用:false},
{值:“”,已禁用:false},
{value:'',禁用:false},{value:'',禁用:false},
{值:“”,已禁用:false}
];
}
}]);
在GoogleChromeDeveloperTools中,我在控制台中输入$scope,它给出了未捕获的引用错误:$scope未定义。另一方面,当我插入console.log($scope)时;它将$scope及其值记录到我的脚本中。为什么呢 当您在控制台中输入“$scope”时,您是在检查角度代码中的断点,还是在页面上处于空闲状态
$scope仅在角度代码中处于“范围内”时才可检查。。。。不在断点时不能键入$scope。Where?哪一行的
$scope
是未定义的?不要只是粘贴代码,解释问题,或者只暴露问题所在的方法。我没有看到控制台。登录google chrome developer tools我在控制台中输入$scope
,它会给我未捕获的引用错误:$scope未定义
。另一方面,当我插入console.log($scope)时
在我的脚本中记录$scope
及其值。为什么呢?
var app = angular.module("ticTacToe", []);
app.controller("MainCtrl", ['$scope', function($scope){
var cell = $(".square");
$scope.player = "";
$scope.AI = "";
$scope.result = "";
/*** Choose a shape ***/
$scope.choosePlayer = function(e) {
$scope.player = $(e.currentTarget).text();
$('.choose').css('top', '-2000px');
$('#wrapper').css('top', '-600px');
$('#wrapper').css('opacity', '1');
if($scope.player === "X"){
$scope.AI = "O";
}else if($scope.player === "O"){
$scope.AI = "X";
}
}
/*** Shape Cells ***/
$scope.cells = [ { value: '', disabled: false },
{ value: '', disabled: false },
{ value: '' , disabled: false},
{ value: '' , disabled: false },
{ value: '' , disabled: false},
{ value: '', disabled: false } ,
{ value: '' , disabled: false}, { value: '', disabled: false },
{ value: '' , disabled: false}
];
// made a ref to scope cells
$scope.emptyCells = $scope.cells;
$scope.filledCells = '';
/*** Make a move ***/
$scope.move = function(cell){
cell.value = $scope.player;
cell.disabled = true;
var round = 0;
function hasValue(element) {
return element.value === "";
}
//check if all cells are filled
if($scope.cells.some(hasValue)){
round = 0;
}else{
round = 1;
$scope.filledCells = $scope.cells;
}
//AI makes a move
while(round < 1){
// filtered to get only available cells (for performance)
$scope.emptyCells = $scope.cells.filter(function(cell){
return cell.value === '';
});
// got random cell according to empty cells
var randomCell = $scope.emptyCells[Math.floor((Math.random()*($scope.emptyCells.length-1))+1)];
if(randomCell.value === "" ){
randomCell.value = $scope.AI;
randomCell.disabled = true;
round = 1;
}else{
round = 0;
}
}
$scope.checkResults();
};
$scope.checkDraw = function() {
if($scope.filledCells && $scope.checkWinner.status === false){
return true;
}else{
return false;
}
}
$scope.checkWinner = function() {
var allCells = $scope.cells;
var cell = allCells.value;
var status = false;
var winningCell = cell;
if (
(cell[0] == cell[1] && cell[1] == cell[2]) ||
(cell[3] == cell[4] && cell[4] == cell[5]) ||
(cell[6] == cell[7] && cell[7] == cell[8]) ||
(cell[0] == cell[3] && cell[3] == cell[6]) ||
(cell[1] == cell[4] && cell[4] == cell[7]) ||
(cell[2] == cell[5] && cell[5] == cell[8]) ||
(cell[0] == cell[4] && cell[4] == cell[8]) ||
(cell[2] == cell[4] && cell[4] == cell[6])
) {
status = true;
winningCell = cell;
} else {
status = false;
}
return {
status: status,
winner: winningCell
}
}
//checks if values are the same
$scope.checkResults = function(){
var winner = $scope.checkWinner.winner;
if($scope.checkWinner.status){
$('#resultsWrapper').css('top', '-600px');
$('#resultsWrapper').css('opacity', '1');
$scope.result = winner + " is the winner";
$scope.reset();
}
if($scope.checkDraw){
$('#resultsWrapper').css('top', '-600px');
$('#resultsWrapper').css('opacity', '1');
$scope.result = "It's a tie";
$scope.reset();
}
}
$scope.reset = function(){
$scope.cells = [ { value: '', disabled: false },
{ value: '', disabled: false },
{ value: '' , disabled: false},
{ value: '' , disabled: false },
{ value: '' , disabled: false},
{ value: '', disabled: false } ,
{ value: '' , disabled: false}, { value: '', disabled: false },
{ value: '' , disabled: false}
];
}
}]);