MaxInterview - javascript does not protect the property name hasownproperty

showing results for - "javascript does not protect the property name hasownproperty"

1// hasOwnProperty – JavaScript does not protect
2var foo = {
3    // overriding foo's default hasOwnProperty method
4    hasOwnProperty: function() {
5        return false;
6    },
7    bar: 'data'
8};
9foo.hasOwnProperty('bar'); // false always
10
11// Hence, to prevent this, use Object.prototype.hasOwnProperty as follows-
12Object.prototype.hasOwnProperty.call(foo, 'bar'); // true

similar questions

javscript remove a property implement the remove property function javascript hasownproperty hasownproperty call options has an unknown property 27javascriptenabled 27 these properties are valid 3a object 7b lessoptions 3f 2c additionaldata 3f 2c sourcemap 3f 2c webpackimporter 3f 2c implementation 3f 7d removeproperty 28obj 2c prop 29 hasownproperty how reliable is js hasownproperty remove property from javascript object prop disabled has own propriety javascrip has property node js javascript remove property from object hasownproperty javascript hasownproperty javascript remove object property check if property exists javascript how to remove property of object in javascript without delete how to remove property from object javascript

queries leading to this page

javascript does not protect the property name hasownproperty javascript does not protect the property name hasownproperty