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-rwxr-xr-xreadable.js110
1 files changed, 56 insertions, 54 deletions
diff --git a/readable.js b/readable.js
index 3d31c4f..1446240 100755
--- a/readable.js
+++ b/readable.js
@@ -5,63 +5,65 @@
*
*/
-/* NOTE: if you're using this code in another function, move this
- * line out of it, into the global scope */
if(original === undefined) var original = false;
-/* count the number of <p> tags that are direct children of parenttag */
-function count_p(parenttag)
+function readable()
{
- var n = 0;
- var c = parenttag.childNodes;
- for (var i = 0; i < c.length; i++) {
- if (c[i].tagName == "p" || c[i].tagName == "P")
- n++;
+ /* count the number of <p> tags that are direct children of parenttag */
+ function count_p(parenttag)
+ {
+ var n = 0;
+ var c = parenttag.childNodes;
+ for (var i = 0; i < c.length; i++) {
+ if (c[i].tagName == "p" || c[i].tagName == "P")
+ n++;
+ }
+ return n;
}
- return n;
-}
-
-/* if original is set, then the readable version is currently active,
- * so switch to the original html */
-if (original) {
- document.body.innerHTML = original;
- for (var i = 0; i < document.styleSheets.length; i++)
- document.styleSheets[i].disabled = false;
- original = false
- return 0;
-}
-
-original = document.body.innerHTML;
-
-var biggest_num = 0;
-var biggest_tag;
-
-/* search for tag with most direct children <p> tags */
-var t = document.getElementsByTagName("*");
-for (var i = 0; i < t.length; i++) {
- var p_num = count_p(t[i]);
- if (p_num > biggest_num) {
- biggest_num = p_num;
- biggest_tag = t[i];
+
+ /* if original is set, then the readable version is currently active,
+ * so switch to the original html */
+ if (original) {
+ document.body.innerHTML = original;
+ for (var i = 0; i < document.styleSheets.length; i++)
+ document.styleSheets[i].disabled = false;
+ original = false
+ return 0;
}
+
+ original = document.body.innerHTML;
+
+ var biggest_num = 0;
+ var biggest_tag;
+
+ /* search for tag with most direct children <p> tags */
+ var t = document.getElementsByTagName("*");
+ for (var i = 0; i < t.length; i++) {
+ var p_num = count_p(t[i]);
+ if (p_num > biggest_num) {
+ biggest_num = p_num;
+ biggest_tag = t[i];
+ }
+ }
+
+ if (biggest_num == 0) {
+ alert("Can't find any content");
+ return 1;
+ }
+
+ /* save and sanitise content of chosen tag */
+ var fresh = document.createElement("div");
+ fresh.innerHTML = biggest_tag.innerHTML;
+ fresh.innerHTML = fresh.innerHTML.replace(/<\/?font[^>]*>/g, "");
+ fresh.innerHTML = fresh.innerHTML.replace(/style="[^"]*"/g, "");
+ fresh.innerHTML = fresh.innerHTML.replace(/<\/?a[^>]*>/g, "");
+
+ for (var i = 0; i < document.styleSheets.length; i++)
+ document.styleSheets[i].disabled = true;
+
+ document.body.innerHTML =
+ "<div style=\"width: 38em; margin: auto; text-align: justify;\">" +
+ "<h1 style=\"text-align: center\">" + document.title + "</h1>" +
+ fresh.innerHTML + "</div>";
}
-
-if (biggest_num == 0) {
- alert("Can't find any content");
- return 1;
-}
-
-/* save and sanitise content of chosen tag */
-var fresh = document.createElement("div");
-fresh.innerHTML = biggest_tag.innerHTML;
-fresh.innerHTML = fresh.innerHTML.replace(/<\/?font[^>]*>/g, "");
-fresh.innerHTML = fresh.innerHTML.replace(/style="[^"]*"/g, "");
-fresh.innerHTML = fresh.innerHTML.replace(/<\/?a[^>]*>/g, "");
-
-for (var i = 0; i < document.styleSheets.length; i++)
- document.styleSheets[i].disabled = true;
-
-document.body.innerHTML =
- "<div style=\"width: 38em; margin: auto; text-align: justify;\">" +
- "<h1 style=\"text-align: center\">" + document.title + "</h1>" +
- fresh.innerHTML + "</div>";
+readable()