isChildOf

checks whether a task is a child of a different task

childId	string | number	the id of a task that you want to check as a child
parentId	string | number	the id of a task that you want to check as a parent

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

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