1. slice() const str = "Hello, World, JavaScript,"; let newStr = str.slice(0, -1); console.log(newStr); newStr = str.slice(0, str.length - 1); console.log(newStr); 2. substring() const str = "Hello, World, JavaScript,"; const…
function set_total(index){ //합계. var sum = 0; var index = index+1; $("#stats_tbl tbody tr:not(:last-child)").each(function() { var count = parseInt($(this).find("td:eq("+index+")").text()); if (!isNaN(count)) { sum+= count; } }); //console.log(index); return sum; }…
function remove_dup_arr(arr){ //배열 값 중복 제거. var new_arr = []; $.each(arr,function(i,value){ if(new_arr.indexOf(value) == -1 ) new_arr.push(value); }); return new_arr; }
$(function(){ /*m_group dom에서 값 가져오기*/ var m_group_en_arr = new Array(); var m_group_kr_arr = new Array(); $(".m_group").each(function(key, val){ var m_group_val_en = $(val).attr("val_en"); var m_group_val_kr = $(val).attr("val_kr"); m_group_en_arr[key] = m_group_val_en; m_group_kr_arr[key] =…