Javascript 将控制台日志结果打印到div类的多个实例
这是我一个月前提出的一个问题的第二部分。当时,我需要一个脚本来循环浏览电子商务网页上的所有产品,并计算控制台日志中的节省百分比 虽然已经实现了这一点,但当我尝试在HTML中将值分配给div时,似乎存在一个问题 我用于百分比折扣计算的算法如下所示:Javascript 将控制台日志结果打印到div类的多个实例,javascript,jquery,html,loops,console,Javascript,Jquery,Html,Loops,Console,这是我一个月前提出的一个问题的第二部分。当时,我需要一个脚本来循环浏览电子商务网页上的所有产品,并计算控制台日志中的节省百分比 虽然已经实现了这一点,但当我尝试在HTML中将值分配给div时,似乎存在一个问题 我用于百分比折扣计算的算法如下所示: //Calculate savings per item function getPrice(elem){ return elem.match(/\d+.\d{0}/); } function getDiscount(regPrice, sale
//Calculate savings per item
function getPrice(elem){
return elem.match(/\d+.\d{0}/);
}
function getDiscount(regPrice, salePrice){
let disc = (regPrice - salePrice) * 100 / regPrice;
return disc < 0 ? 0 : disc;
}
let $regPrice = $('.regular-price');
let $salePrice = $('.sale-price');
$regPrice.each(function(k, v){
let regPrice = getPrice($regPrice[k].innerHTML);
let salePrice = getPrice($salePrice[k].innerHTML);
let discount = getDiscount(regPrice, salePrice);
console.log("You Save: " + discount.toFixed(0) + "%");
});
而控制台显示以下内容:
DOM只获取第一个值,然后在页面上的所有项目上重复该值
我想让每个div类显示准确的节省百分比,同时悄悄地丢弃“NaN”或0%的结果。基本上应显示大于1的任何值
产品页面上的HTML输出结构如下:
<div class="col-xs-12 col-sm-6 col-md-3 product-grid-item">
<div class="panel panel-default">
<div class="panel-body text-center shadow" style="height: 341.2px;">
<a href="/link1.aspx" class="grid-product-link">
<div class="grid-item-image-wrap">
<img src="ae00-3487.jpg" alt="alt-text-here" class="grid-item-image product-image center-block">
</div>
<div class="grid-item-name-wrap">Product 1 (over 1k)</div>
</a>
</div>
<div class="panel-footer text-center">
<div class="grid-item-price-wrap">
<a href="link1.aspx" class="price-button">
<div class="price-wrap">
<div class="price regular-price">
<span>Retail Price:</span>
$2,249.00
</div>
<div class="price sale-price alert alert-green shadow">
<span>Our Price:</span>
$1,759.00
</div>
<div class="youSave text-uppercase text-success"></div>
<meta itemprop="price" content="1759.0000">
<meta itemprop="priceCurrency" content="USD">
</div>
</a>
</div>
</div>
<div class="grid-item-promotions-wrap"></div>
</div>
</div>
<div class="col-xs-12 col-sm-6 col-md-3 product-grid-item">
<div class="panel panel-default">
<div class="panel-body text-center shadow" style="height: 341.2px;">
<a href="link2.aspx" class="grid-product-link">
<div class="grid-item-image-wrap">
<img src="ae00-1856.jpg" alt="alt-text-here" class="grid-item-image product-image center-block">
</div>
<div class="grid-item-name-wrap">Product 2 (under 1k)</div>
</a>
</div>
<div class="panel-footer text-center">
<div class="grid-item-price-wrap">
<a href="link2.aspx" class="price-button">
<div class="price-wrap">
<div class="price regular-price">
<span>Retail Price:</span>
$559.00
</div>
<div class="price sale-price alert alert-green shadow">
<span>Our Price:</span>
$439.00
</div>
<div class="youSave text-uppercase text-success">You Save: 21%</div>
<meta itemprop="price" content="439.0000">
<meta itemprop="priceCurrency" content="USD">
</div>
</a>
</div>
</div>
<div class="grid-item-promotions-wrap"></div>
</div>
</div>
并在页面上的所有产品中遵循此模式。我已经在页面中放置了自动关闭的div类“youSave”,这就是我想显示控制台日志结果的地方
工作示例:
对代码进行了一些调整。如果迭代父div
.price wrap
,效果会更好
//计算每个项目的节省
函数getPrice(elem){
返回元素匹配(/\d+。\d{0}/);
}
函数get折扣(regPrice,salePrice){
let disc=(regPrice-salePrice)*100/regPrice;
返回圆盘<0?0:圆盘;
}
让$priceWrap=$('.price wrap');
$priceWrap.每个函数(k,v){
让$regPrice=$priceWrap[k]。子项[0];
让$salePrice=$priceWrap[k]。子对象[1];
let$discountPrice=$priceWrap[k]。儿童[2];
让regPrice=getPrice($regPrice.innerHTML);
让salePrice=getPrice($salePrice.innerHTML);
let折扣=Get折扣(regPrice,salePrice);
如果(!isNaN(折扣)&折扣!==0){
$discountPrice.innerHTML=discount.toFixed(0)+“%”;
}
});代码>
零售价:
$549.00
我们的价格:
$489.00
零售价:
$2599.00
我们的价格:
$2255.00
零售价:
$299.00
我们的价格:
$155.00
零售价:
$699.00
我们的价格:
$555.00
零售价:
$0.00
我们的价格:
$155.00
你能发布一个精确的工作示例吗?上面添加了fiddle。你只需要放弃0%?我需要它出现在“youSave”div中,并放弃0%或有时是“NaN”。谢谢。非常感谢@BlackPearlOne在这里的评论@BlackPearl,任何超过1000美元的价格似乎都不算。1k以下的所有价格均按预期运行。有什么想法吗?比如?输入示例?当然,逗号不起作用。我更改了fiddle中的getPrice
函数以替换逗号。您可以检查它,但我建议您寻找更好的方法来解析int。只需将方法getPrice
更改为return elem.replace(/,/g',).match(/\d+。\d{0}/)代码>
<div class="col-xs-12 col-sm-6 col-md-3 product-grid-item">
<div class="panel panel-default">
<div class="panel-body text-center shadow" style="height: 341.2px;">
<a href="/link1.aspx" class="grid-product-link">
<div class="grid-item-image-wrap">
<img src="ae00-3487.jpg" alt="alt-text-here" class="grid-item-image product-image center-block">
</div>
<div class="grid-item-name-wrap">Product 1 (over 1k)</div>
</a>
</div>
<div class="panel-footer text-center">
<div class="grid-item-price-wrap">
<a href="link1.aspx" class="price-button">
<div class="price-wrap">
<div class="price regular-price">
<span>Retail Price:</span>
$2,249.00
</div>
<div class="price sale-price alert alert-green shadow">
<span>Our Price:</span>
$1,759.00
</div>
<div class="youSave text-uppercase text-success"></div>
<meta itemprop="price" content="1759.0000">
<meta itemprop="priceCurrency" content="USD">
</div>
</a>
</div>
</div>
<div class="grid-item-promotions-wrap"></div>
</div>
</div>
<div class="col-xs-12 col-sm-6 col-md-3 product-grid-item">
<div class="panel panel-default">
<div class="panel-body text-center shadow" style="height: 341.2px;">
<a href="link2.aspx" class="grid-product-link">
<div class="grid-item-image-wrap">
<img src="ae00-1856.jpg" alt="alt-text-here" class="grid-item-image product-image center-block">
</div>
<div class="grid-item-name-wrap">Product 2 (under 1k)</div>
</a>
</div>
<div class="panel-footer text-center">
<div class="grid-item-price-wrap">
<a href="link2.aspx" class="price-button">
<div class="price-wrap">
<div class="price regular-price">
<span>Retail Price:</span>
$559.00
</div>
<div class="price sale-price alert alert-green shadow">
<span>Our Price:</span>
$439.00
</div>
<div class="youSave text-uppercase text-success">You Save: 21%</div>
<meta itemprop="price" content="439.0000">
<meta itemprop="priceCurrency" content="USD">
</div>
</a>
</div>
</div>
<div class="grid-item-promotions-wrap"></div>
</div>
</div>