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/* Create
* <nav id="scrCont"><select id="scrSel"></select></nav>
*/
const scrCont = document.createElement('nav');
scrCont.id = 'scrCont';
document.body.insertBefore(scrCont, document.body.firstChild);
const scrSel = document.createElement('select');
scrSel.id = 'scrSel';
scrCont.appendChild(scrSel);
const reloadBtn = document.createElement('button');
reloadBtn.id = 'reloadBtn';
reloadBtn.innerHTML = 'Reload';
scrCont.appendChild(reloadBtn);
/* Add options to scrSel, from scripts array */
for (var i = 0; i < scripts.length; i++) {
var temp = document.createElement('option');
temp.value = i;
temp.text = scripts[i][0];
scrSel.appendChild(temp);
}
/* Logic for changing rendered object */
function renderScr (index) {
var temp = document.createElement('script');
temp.src = scripts[index][1];
temp.id = scripts[index][1];
document.body.appendChild(temp);
}
var oldIndex = scrSel.value;
scrSel.onchange = function() {
try {
document.body.removeChild(document.getElementById(scripts[oldIndex][1]));
document.body.removeChild(document.getElementsByTagName('canvas')[0]);
} catch(e) {}
renderScr(scrSel.value);
oldIndex = scrSel.value;
localStorage.setItem('render', scrSel.value);
}
if (localStorage.getItem('render') !== 0 && localStorage.getItem('render')) {
scrSel.value = localStorage.getItem('render');
scrSel.onchange();
} else {
renderScr(scrSel.value);
}
reloadBtn.onclick = function() {
try {
document.body.removeChild(document.getElementById(scripts[oldIndex][1]));
document.body.removeChild(document.getElementsByTagName('canvas')[0]);
} catch(e) {}
renderScr(oldIndex);
}
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