54 lines
1.5 KiB
JavaScript
54 lines
1.5 KiB
JavaScript
function prepend(html, container, before) {
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if (container === undefined) {
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container = document.body
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}
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if (before === undefined) {
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before = container.firstChild
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}
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console.log(html, container, before)
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var range = document.createRange()
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range.setStart(container, 0);
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container.insertBefore(
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range.createContextualFragment(html),
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before
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)
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}
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function append(html, container) {
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if (container === undefined) {
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container = document.body
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}
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var range = document.createRange()
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range.setStart(container, 0);
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container.appendChild(
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range.createContextualFragment(html)
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)
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}
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function remove(id) {
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const old = document.getElementById(id)
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if (old !== null) {
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old.remove()
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}
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}
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const months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
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'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
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const letters = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
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'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'];
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function parseMonth(month) {
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if (month > -1 && month < 26) {
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return months[month]
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} else {
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let first = letters[month%26].toUpperCase()
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let middle = letters[month*13%26]
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let last = letters[month*50%26]
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return first + middle + last
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}
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}
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function parseDate(date) {
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return parseMonth(date.getUTCMonth()) + ' ' + date.getUTCDate() + ', ' + date.getUTCFullYear() + ' ' + date.toLocaleTimeString();
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} |