How to Remove last Comma?

Question

This code generates a comma separated string to provide a list of ids to the query string of another page, but there is an extra comma at the end of the string. How can I re

Answer 1

Write a javascript function :

var removeLastChar = function(value, char){
    var lastChar = value.slice(-1);
    if(lastChar == char) {
      value = value.slice(0, -1);
    }
    return value;
}

Use it like this:

var nums = '1,2,3,4,5,6,';
var result = removeLastChar(nums, ',');
console.log(result);

jsfiddle demo