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generic deep diff between two objects

DOS.NET answered on May 15, 2023 Popularity 1/10 Helpfulness 1/10

answer generic deep diff between two objects

generic deep diff between two objects

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function diff(obj1,obj2,exclude) {
        var r = {};
    
    if (!exclude)   exclude = [];
    
    for (var prop in obj1) {
      if (obj1.hasOwnProperty(prop) && prop != '__proto__') {
            if (exclude.indexOf(obj1[prop]) == -1) {

            // check if obj2 has prop
            if (!obj2.hasOwnProperty(prop)) r[prop] = obj1[prop];

            // check if prop is object and 
            // NOT a JavaScript engine object (i.e. __proto__), if so, recursive diff
            else if (obj1[prop] === Object(obj1[prop])) {
              var difference = diff(obj1[prop], obj2[prop]);
              if (Object.keys(difference).length > 0) r[prop] = difference;
            }

            // check if obj1 and obj2 are equal
            else if (obj1[prop] !== obj2[prop]) {
                if (obj1[prop] === undefined)
                r[prop] = 'undefined';
                if (obj1[prop] === null)
                r[prop] = null;
              else if (typeof obj1[prop] === 'function')
                r[prop] = 'function';
              else if (typeof obj1[prop] === 'object')  
                r[prop] = 'object';
              else
                  r[prop] = obj1[prop];
            }
          }
       }
       
    }
    
    return r;
}

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: between deep-diff javascript

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Contributed on May 15 2023

DOS.NET

0 Answers Avg Quality 2/10

generic deep diff between two objects

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