I have an array called list into which I am entering several objects. Each item has a unique id and title.
var number = 0;
var list = [];
var item = {};
var i;
var compute = {
number : 0,
newItem : function (input) {
for (i = 0; i < list.length + 1; i++) {
var item = {
id: number,
title: input
};
}
number++;
list.push(item);
}
};
and I'm adding data to the array like so:
compute.newItem("Something Important");
compute.newItem("Another thing");
I'm trying to print out the contents of this array into an HTML list something like this:
<ul id="list">
<li>Something Important</li>
<li>Another thing</li>
</ul>
And so on, with each object being printed into its own list element. I'm not sure how to properly print this though? Any thoughts?
I thought something like this might work but I got errors.
var content;
for (i = 0; i < list.length + 1; i++) {
content += "<li>" + list[i] + "</li>";
}
document.getElementById("list").innerHTML = content;
The error is: cannot set property 'innerHTML' null
(Note that my javascript may just plain suck...I'm very new to this language.)
The HTML:
<ul id="list"></ul>
The JavaScript:
var compute = {
list : [],
newItem : function (input) {
this.list.push({
id : this.list.length,
title : input
});
},
printList : function (el) {
var ul;
ul = el || document.createElement('ul');
for (i = 0; i < this.list.length; i += 1) {
ul.innerHTML += '<li>' + this.list[i].title + '</li>';
}
return ul;
}
};
compute.newItem('foo');
compute.newItem('bar');
compute.printList(document.getElementById('list'));
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