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sum - XPath | MDN
Cette page a été traduite à partir de l'anglais par la communauté. Vous pouvez contribuer en rejoignant la communauté francophone sur MDN Web Docs.
sum
La fonction sum retourne un nombre qui est la somme des valeurs numériques de chaque nœud d'un ensemble de nœuds donné.
Syntaxe
sum( ensemble-de-nœuds )
Arguments
ensemble-de-nœuds-
L'ensemble de nœuds à évaluer. Chaque nœud de l'ensemble est évalué comme s'il était passé à la fonction
number(), et la somme des nombres résultants est retournée.
Retour
Un nombre.
Notes
Aucune.
Définition
Support Gecko
Supportée.