没有方向，不叫发展 No Directions, No Development

最新推荐文章于 2025-05-26 16:49:36 发布

原创最新推荐文章于 2025-05-26 16:49:36 发布 · 1.4k 阅读

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这篇博客通过一个简单的JavaScript代码示例展示了从20岁到40岁期间个人发展的集中度变化及增值情况。代码计算了在这个时间段内，随着年龄增长，个人价值的变化趋势。

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又到了年末，总结、规划少不了。

简单点，8个字：

没有方向，不叫发展

No Directions, No Development

把后面的代码保存成html文件，然后用浏览器打开，会看到类似以下结果：

从 20 岁到 40 岁，

集中度为 0.8,
增值达到 10.9倍，
最高 46.0
最低 0.10

这意味着什么，就不用说了。

代码片：

// 没有方向，不叫发展 2014-1-26 10:24:19
// No Directions, No Development. 2014-1-26 10:25:22
var amount = 1;
var focus = 1;
var ageBegin = 20;
// var ageEnd = 35;
var ageEnd = 40;
var age = 20;

var focusPercentage = 0;
var increasePercentage = 1.2;
var decreasePercentage = 0.9;

var focusNum = 0;
var amountTop = 1;
var amountBottom = 1;

// Calculating:
age = ageBegin;
while(age <= ageEnd){
	focus = getRandFocus();

	if(focus){
		focusNum++;
		amount = amount*increasePercentage;
	}else{
		amount = amount*decreasePercentage;
	}

	amountTop *= increasePercentage;
	amountBottom *= decreasePercentage;

	age++;
}

focusPercentage = focusNum/(ageEnd - ageBegin);

focusPercentage = focusPercentage.toString().substr(0,5);
amount = amount.toString().substr(0,4);
amountTop = amountTop.toString().substr(0,4);
amountBottom = amountBottom.toString().substr(0,4);


document.write("从 " + ageBegin + " 岁到 " + ageEnd + " 岁，
集中度为 " + focusPercentage + ", 
增值达到 " + amount + "倍，
最高 " + amountTop + "
最低 " + amountBottom);

function getRandFocus(){
	var rand = Math.random();
	var randInt = Math.floor(rand*100000);
	var result = randInt%2;
	return result;
}

代码：

<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<script type="text/javascript">

// 没有方向，不叫发展 2014-1-26 10:24:19
// No Directions, No Development. 2014-1-26 10:25:22
var amount = 1;
var focus = 1;
var ageBegin = 20;
// var ageEnd = 35;
var ageEnd = 40;
var age = 20;

var focusPercentage = 0;
var increasePercentage = 1.2;
var decreasePercentage = 0.9;

var focusNum = 0;
var amountTop = 1;
var amountBottom = 1;

// Calculating:
age = ageBegin;
while(age <= ageEnd){
	focus = getRandFocus();

	if(focus){
		focusNum++;
		amount = amount*increasePercentage;
	}else{
		amount = amount*decreasePercentage;
	}

	amountTop *= increasePercentage;
	amountBottom *= decreasePercentage;

	age++;
}

focusPercentage = focusNum/(ageEnd - ageBegin);

focusPercentage = focusPercentage.toString().substr(0,5);
amount = amount.toString().substr(0,4);
amountTop = amountTop.toString().substr(0,4);
amountBottom = amountBottom.toString().substr(0,4);


document.write("从 " + ageBegin + " 岁到 " + ageEnd + " 岁，<br />集中度为 <strong>" + focusPercentage + "</strong>, <br />增值达到 " + amount + "倍，<br />最高 " + amountTop + "<br />最低 " + amountBottom);

function getRandFocus(){
	var rand = Math.random();
	var randInt = Math.floor(rand*100000);
	var result = randInt%2;
	return result;
}

</script>