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iteration.go
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iteration.go
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package goquery
// Each() iterates over a Selection object, executing a function for each
// matched element. It returns the current Selection object.
func (this *Selection) Each(f func(int, *Selection)) *Selection {
for i, n := range this.Nodes {
f(i, newSingleSelection(n, this.document))
}
return this
}
// EachWithBreak() iterates over a Selection object, executing a function for each
// matched element. It is identical to `Each()` except that it is possible to break
// out of the loop by returning `false` in the callback function. It returns the
// current Selection object.
func (this *Selection) EachWithBreak(f func(int, *Selection) bool) *Selection {
for i, n := range this.Nodes {
if !f(i, newSingleSelection(n, this.document)) {
return this
}
}
return this
}
// Map() passes each element in the current matched set through a function,
// producing a slice of string holding the returned values.
func (this *Selection) Map(f func(int, *Selection) string) (result []string) {
for i, n := range this.Nodes {
result = append(result, f(i, newSingleSelection(n, this.document)))
}
return result
}