Introduction to using Node traversal of js to find a field instance of repeater_javascript skills

js part:

Copy code The code is as follows:

var checkboxs = document.getElementsByTagName("input");
for(var i=0;i{
if(checkboxs[i].type=="checkbox" && checkboxs[ i].checked==true){
var trobj=checkboxs[i].parentNode.parentNode; //Find tr node
if(trobj.rowIndex > 0){
var tdobj=trobj. children;
var amount = tdobj[3].children.item(0).value; //Find the value of the td node corresponding to the 4th td
alert(amount);
}
}
}

html repeater

Copy code The code is as follows :

Height="15">



Height= "15">






< ;/tr>