en.javascript.info/2-ui/1-document/12-multi-insert/insert-bench.js
2015-03-09 18:48:58 +03:00

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/* 1. Вставляет TBODY в документ сразу. а затем элементы */
var appendFirst = new function() {
var benchTable;
this.setup = function() {
// очистить всё
benchTable = document.getElementById('bench-table')
while (benchTable.firstChild) {
benchTable.removeChild(benchTable.firstChild);
}
}
this.work = function() {
// встаить TBODY и элементы
var tbody = document.createElement('TBODY');
benchTable.appendChild(tbody);
for (var i = 0; i < 20; i++) {
var tr = document.createElement('TR');
tbody.appendChild(tr);
for (var j = 0; j < 20; j++) {
var td = document.createElement('td');
td.appendChild(document.createTextNode('' + i.toString(20) + j.toString(20)));
tr.appendChild(td);
}
}
}
}
/* 2. Полностью делает TBODY, а затем вставляет в документ */
var appendLast = new function() {
var benchTable;
this.setup = function() {
// очистить всё
benchTable = document.getElementById('bench-table');
while (benchTable.firstChild) {
benchTable.removeChild(benchTable.firstChild);
}
}
this.work = function() {
var tbody = document.createElement('TBODY');
for (var i = 0; i < 20; i++) {
var tr = document.createElement('TR');
tbody.appendChild(tr);
for (var j = 0; j < 20; j++) {
var td = document.createElement('td');
tr.appendChild(td);
td.appendChild(document.createTextNode('' + i.toString(20) + j.toString(20)));
}
}
benchTable.appendChild(tbody);
}
}