我正在尝试使用指令和=
绑定来制作这个代码片段。但我遇到了以下错误:
Uncaught Error: 10 $digest() iterations reached. Aborting!
Watchers fired in the last 5 iterations: [["fn: function () {\n var parentValue = parentGet(parentScope);\n\n if (parentValue !== scope[scopeName]) {\n // we are out of sync and need to copy\n if (parentValue !== lastValue) {\n // parent changed and it has precedence\n lastValue = scope[scopeName] = parentValue;\n } else {\n // if the parent can be assigned then do so\n parentSet(parentScope, lastValue = scope[scopeName]);\n }\n }\n return parentValue;\n }; newVal: {\"baz\":3}; oldVal: {\"baz\":3}"],["fn: function () {\n var parentValue = parentGet(parentScope);\n\n if (parentValue !== scope[scopeName]) {\n // we are out of sync and need to copy\n if (parentValue !== lastValue) {\n // parent changed and it has precedence\n lastValue = scope[scopeName] = parentValue;\n } else {\n // if the parent can be assigned then do so\n parentSet(parentScope, lastValue = scope[scopeName]);\n }\n }\n return parentValue;\n }; newVal: {\"baz\":3}; oldVal: {\"baz\":3}"],["fn: function () {\n var parentValue = parentGet(parentScope);\n\n if (parentValue !== scope[scopeName]) {\n // we are out of sync and need to copy\n if (parentValue !== lastValue) {\n // parent changed and it has precedence\n lastValue = scope[scopeName] = parentValue;\n } else {\n // if the parent can be assigned then do so\n parentSet(parentScope, lastValue = scope[scopeName]);\n }\n }\n return parentValue;\n }; newVal: {\"baz\":3}; oldVal: {\"baz\":3}"],["fn: function () {\n var parentValue = parentGet(parentScope);\n\n if (parentValue !== scope[scopeName]) {\n // we are out of sync and need to copy\n if (parentValue !== lastValue) {\n // parent changed and it has precedence\n lastValue = scope[scopeName] = parentValue;\n } else {\n // if the parent can be assigned then do so\n parentSet(parentScope, lastValue = scope[scopeName]);\n }\n }\n return parentValue;\n }; newVal: {\"baz\":3}; oldVal: {\"baz\":3}"],["fn: function () {\n var parentValue = parentGet(parentScope);\n\n if (parentValue !== scope[scopeName]) {\n // we are out of sync and need to copy\n if (parentValue !== lastValue) {\n // parent changed and it has precedence\n lastValue = scope[scopeName] = parentValue;\n } else {\n // if the parent can be assigned then do so\n parentSet(parentScope, lastValue = scope[scopeName]);\n }\n }\n return parentValue;\n }; newVal: {\"baz\":3}; oldVal: {\"baz\":3}"]] angular.js:7729
Scope.$digest angular.js:7729
Scope.$apply angular.js:7894
(anonymous function) angular.js:930
invoke angular.js:2788
bootstrap angular.js:928
angularInit angular.js:904
(anonymous function) angular.js:14397
trigger angular.js:1695
(anonymous function) angular.js:1930
forEach angular.js:110
eventHandler angular.js:1929
为什么会发生这种情况?我认为这与=
的绑定有关。