moveNext
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小牛编辑
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2023-12-01
Moves the iterator to the next item in a sequence, if possible.
Signature
Iterator.moveNext = function() { /*...*/ }Iterator.moveNext = function moveNext() {
var cachedIndex = this.cachedIndex;
if (!cachedIndex) {
cachedIndex = this.cachedIndex = this.sequence.getIndex();
}
if (this.index >= cachedIndex.length() - 1) {
return false;
}
++this.index;
return true;
}| Name | Type(s) | Description |
|---|---|---|
| returns | boolean | True if the iterator is able to move to a new item, or else false. |