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Как сравнить индексы двух массивов?


apexis
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У меня два массива, как мне их соединить. Данные в массив загружаются фот этими методами.
 

arr = Array.prototype.map.call( document.querySelectorAll("span[id^=progr]"), function( elem ) {    return {'data' : elem.innerHTML, 'id' : elem.id};}); arrVal =  Array.prototype.map.call( document.querySelectorAll("input[id^=cart_price]"), function( elem ) {    return {'data' : elem.value, 'id' : elem.id};});
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Если я правильно понял связь между элементами массивов происходит не по значению параметра id а просто по порядковому номеру элемента в массиве.

Попробуй так:

for (i in arrVal) {  for (j in arr) {    if (i == j) {      document.getElementById(arrVal[i].id).value = arr[j].data;    }    }}
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