React - 事件处理
React 元素的事件处理和 DOM 元素的很相似，但是有一点语法上的不同：
1. React事件的命名采用驼峰，而不是纯小写
2. 使用 jsx 语法时需要传入一个函数作为事件处理函数，而不是一个字符串
3. 不能通过返回 false 的方式阻止没人行为。必须显式地使用 preventDefault。
4. 在使用 React 时，一般不需要使用 addEventListener 为已经创建的 DOM 元素添加监听器。只需要在该元素初始渲染的时候添加监听器即可。
事件处理程序传递参数
<button onClick={(e) => this.deleteRow(id, e)}>Delete Row</button>
<button onClick={this.deleteRow.bind(this, id)}>Delete Row</button>
上述两种方法是等价的，分别通过箭头函数和 Function.prototype.bind 来实现。
在这两种情况下，React 的事件对象 e 会被当作第二个参数传递。如果通过箭头函数的方式，事件对象必须显式的进行传递，而通过 bind 的方式，事件对象以及更多的参数将会被隐式的方式进行传递。
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Monte Carlo integration is a method of numerical integration that uses random numbers to approximate the value of a function. It is often used when the function is difficult to integrate, or when the number of dimensions is too large for traditional methods to be effective. Monte Carlo integration can be used to estimate a wide variety of quantities, including the area of a region, the Brand Building Story Of Aisha Nikole volume of a solid, and the expectation of a random variable.
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