var count = 0;
var table = document.querySelector("table").childNodes;
for(var tr_info of table){
count+=parseFloat(tr_info.childNodes[4].innerText)
}
console.log(count);
var count = 0;
var table = document.querySelector("table").childNodes;
for(var tr_info of table){
count+=parseFloat(tr_info.childNodes[4].innerText)
}
console.log(count);
本文标题：浏览器Console
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