How to delete a function for vue

There are two ways to delete functions in Vue: 1. Using the delete operator, you can delete properties or methods from objects or functions; 2. Using the Reflect.deleteProperty method, you can delete properties that cannot be deleted using the delete operator, such as unconfigurable properties.

How to delete a function in Vue

There are two main ways to delete a function in Vue:

1. Pass the delete operator

The delete operator can delete attributes from objects or methods from functions. For example:

 <code class="js">// 从对象中删除属性const obj = { name: 'John Doe' }; delete obj.name; // 从函数中删除方法const func = function() { console.log('Hello world!'); }; delete func.prototype.hello;</code>

2. Pass Reflect.deleteProperty method

The Reflect.deleteProperty method can delete properties of an object and is a useful alternative to properties that cannot be deleted using the delete operator (such as non-configurable properties).

 <code class="js">// 删除不可配置属性const obj = Object.create({}, { name: { value: 'John Doe', configurable: false } }); Reflect.deleteProperty(obj, 'name');</code>

Notes:

• When using the delete operator, be careful that it does not free the memory referenced by the function.
• The delete operator is not applicable to arrow functions, because arrow functions do not have their own prototype attribute.
• When using the Reflect.deleteProperty method, the property name passed to the method must be a string.

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