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isChildOf

Description​

Checks whether a task is a child of a different task

isChildOf: (childId: string | number, parentId: string | number) => boolean

Parameters​

  • childId - (required) string | number - the id of a task that you want to check as a child
  • parentId - (required) string | number - the id of a task that you want to check as a parent

Returns​

  • isChild - (boolean) - true, if the task is a child of the specified parent task. Otherwise, false

Example​

const tasks = {
    "data":[
        {"id":"10", "text":"Project #10", "start_date":"01-04-2023", "duration":3, 
            "order":10,"progress":0.4, "open": true},
        {"id":"1", "text":"Task #1",    "start_date":"02-04-2023", "duration":2,  
            "order":10,"progress":0.6, "parent":"10"},
        {"id":"2", "text":"Task #2",    "start_date":"01-04-2023", "duration":2,  
            "order":20,"progress":0.6, "parent":"10"},
        {"id":"3", "text":"Task #3",    "start_date":"05-04-2023", "duration":2,  
            "order":20,"progress":0.6, "parent":"10"}
    ],
    "links":[]
}; 

gantt.isChildOf(2,10); //-> true /*!*/
gantt.isChildOf(2,3); //-> false /*!*/