这个纯粹是给自己留做备份用的，股票涨停有一个计算公式，但是为了自己方便查看股票涨了多少钱，还是决定自己写了一个
<!DOCTYPE html><html lang="en"><head> ???<meta charset="UTF-8"> ???<title>计算涨停</title> ???<style type="text/css"> ???????input{ width: 160px; height: 26px; } ???????#calc{ width: 50px; height: 25px; } ???</style></head><body> ???成本价：<input type="text" placeholder="成本价" id="cost" value="8.34"> ???当前价格：<input type="text" placeholder="当前价格" id="price" value="7.37"> ???持有股数：<input type="text" placeholder="持有股数" id="capt" value="4000"> ???涨停次数：<input type="text" placeholder="涨停次数" id="number" value="1"> ???????<input type="button" value="计算" id="calc"> ???<div id="txt"> ???????????</div> ???<script type="text/javascript"> ???????????????window.onload = function(){ ???????????var cost = document.getElementById(‘cost‘); ???????// 成本价 ???????????var price = document.getElementById(‘price‘); ???// 当前价 ???????????var capt = document.getElementById(‘capt‘); ???????// 持股数 ???????????var number = document.getElementById(‘number‘); ???// 涨停次数 ???????????var calc = document.getElementById(‘calc‘); ???????????var txt = document.getElementById(‘txt‘); ???????????calc.onclick = function(){ ???????????????var cost_val = parseFloat( cost.value ); ???// 成本价 ???????????????var price_val = parseFloat( price.value ); ???// 当前价 ???????????????var capt_val = parseFloat( capt.value ); ???// 持股数 ???????????????var number_val = parseFloat( number.value );// 涨停次数 ???????????????var new_price, pri, totle_capt, profit; ???????????????var htm = ‘‘; ???????????????for (var i = 0; i < number_val; i++) { ???????????????????new_price = parseFloat( ( price_val / 10 ).toFixed(2) ); ???// 上涨价格 ???????????????????pri = parseFloat( ( price_val+new_price ).toFixed(2) ); ???// 总价 ???????????????????totle_capt = ?Math.round(pri * capt_val); ???// 总金额 ???????????????????profit = totle_capt - cost_val * capt_val; ???// 利润 ???????????????????htm += ‘<p>‘+(i+1)+‘次涨停后，价格为：‘+pri+‘<br>‘+‘总金额为：‘+totle_capt+‘<br>‘ + ‘利润为：‘ + profit+‘</p>‘; ???????????????????//console.log(new_price, pri, totle_capt, profit, htm); ???????????????????price_val = pri; ???????????????}; ???????????????????????txt.innerHTML = htm; ???????????}; ???????}; ???</script></body></html>JS代码计算股票涨停
原文地址：https://www.cnblogs.com/carol1987/p/10218397.html