isChildOf

确定一个任务是否是另一个任务的子任务

childId	string | number	要验证是否为子任务的任务ID
parentId	string | number	要验证是否为父任务的任务ID

boolean

true 如果该任务确实是指定父任务的子任务；否则，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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