This may be redundant.
Is it possible to include this code in a Javascript tiddler and use it!
var ul = document.getElementsByClassName('incremental');
for (var i = 0; i < ul.length; i++) {
ul[i].style.listStyleType = 'decimal';
}
var childlists = document.querySelectorAll(".incremental>li");
for (var i = 0; i < childlists.length; i++) {
childlists[i].style.display = "none";
}
window.onkeydown = function (event) {
var childlists = document.querySelectorAll(".incremental>li");
var pos;
//assigning appropirate value to pos
for (var i = 0; i < childlists.length; i++) {
if (childlists[i].style.display == "none") {
pos = i;
break;
} else {
pos = childlists.length ;
}
}
// check whether pos is in the allowed interval
// note that allowed interval is length of child array
if (event.key == "ArrowRight") {
if (pos<childlists.length) {
childlists[pos].style.display = ""
}
}
if (event.key == "ArrowLeft") {
if (pos - 1 >= 0) {
childlists[pos - 1].style.display = "none";
}
}
}
/Mohammad
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