如何在Javascript中获取该值?
这是HTML代码:如何在Javascript中获取该值?,javascript,html,Javascript,Html,这是HTML代码: <div id="CurrencyQuotePane"> <div class="CurrencyQuote"> <div class="column"> <div class="form-label">Pair: </div><div>1/2</div> <div class="form-label padding
<div id="CurrencyQuotePane">
<div class="CurrencyQuote">
<div class="column">
<div class="form-label">Pair: </div><div>1/2</div>
<div class="form-label padding-top">Spread: </div><div>385</div>
</div>
<div class="column">
<div class="form-label">Rate: </div><div>1/2</div>
<div class="form-label padding-top">High/Low: </div><div>2002.0/0.0055</div>
</div>
</div>
<div class="clear"></div>
</div>
抱歉,如果我对javascript一无所知,我是一个完全的新手。将其更改为:
<div class="column">
<div class="form-label">Pair: </div><div>TEXT</div>
<div class="form-label padding-top">SPREAD</div><div id="spreadval">385</div>
</div>
function getSpread(){
var tag = iframe.contentDocument.getElementById('spreadval');
return parseInt(tag.innerHTML);
}
配对:文本
分布385
函数getSpread(){
var tag=iframe.contentDocument.getElementById('spreadval');
返回parseInt(tag.innerHTML);
}
将id设置为您的div
<div class="column">
<div class="form-label">Pair: </div><div>TEXT</div>
<div class="form-label padding-top">SPREAD</div><div id="changing_number">385</div>
</div>
或使用DOM:
$(function(){
var theNumber = parseInt(document.getElementById('changing_number').innerHTML);
});
在这里您可以学习js:对于包含385的div,您是否有id或类??
$(function(){
var theNumber = parseInt($('#changing_number').text());
});
$(function(){
var theNumber = parseInt(document.getElementById('changing_number').innerHTML);
});
var column = document.getElementsByClassName('column');
var divs = column[0].getElementsByTagName('div');
alert(divs[1].innerHTML);