isChildOf

Description

确定一个任务是否是另一个任务的子任务

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

Parameters

• childId - (required) string | number - 要验证是否为子任务的任务ID
• parentId - (required) string | number - 要验证是否为父任务的任务ID

Returns

• isChild - (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 /*!*/