Changeset 552 for trunk/js/Utilities.js

Timestamp:

Nov 25, 2015 7:29:35 PM (8 years ago)

Author:

anonymous

Message:

Updated js.

File:

• trunk/js/Utilities.js (modified) (2 diffs)

trunk/js/Utilities.js

@@ -70 +70 @@
 
 /*
-* Encode/decode HTML by proxying content via an in-memory div, setting its inner text which jQuery automatically encodes.
+* Encode html entities by specific mapping table.
+* Decode HTML by proxying content via an in-memory div, setting its inner text which jQuery automatically encodes.
 Then we pull the encoded contents back out. The div never exists on the page.
 ---------------------------------------------------------------------
-$('select').append($('<option>', {
-    value: value,
-    text: Strangecode.htmlEncode(text)
-}));
+$('input').val(Strangecode.htmlEncode(string));
 ---------------------------------------------------------------------
-*
-* @access   public
-* @version  1.1
-* @since    30 Jun 2013
+
+@access   public
+@version  2.0
+@since    30 Jun 2013
 */
-Strangecode.htmlEncode = function(text) {
-    return $('<div/>').text(text).html();
+Strangecode.htmlEncode = function (str) {
+    var entityMap = {
+        '&': '&amp;',
+        '<': '&lt;',
+        '>': '&gt;',
+        '"': '&quot;',
+        "'": '&#39;',
+        '/': '&#x2F;',
+        '`': '&DiacriticalGrave;'
+    };
+    return String(str).replace(/[&<>"'\/`]/g, function (s) {
+        return entityMap[s];
+    });
 };
-Strangecode.htmlDecode = function(text) {
-    return $('<div/>').html(value).text();
+Strangecode.htmlDecode = function (str) {
+    return $('<div>').html(str).text();
 };
 
 
 /*
-* Returns a string with URL-unsafe characters removed.
+Returns a string with URL-unsafe characters removed.
 ---------------------------------------------------------------------
 var urlslug = $('.url').val().slug();
@@ -109 +118 @@
     return str.replace(/[^a-z0-9 -]/g, '').replace(/\s+/g, '-').replace(/-+/g, '-');
 };
+
+
+
+/*
+Remove rounding errors caused by representation of finite binary floating point numbers.
+---------------------------------------------------------------------
+> (.1*.2)
+0.020000000000000004
+> (.1*.2).trim()
+0.02
+---------------------------------------------------------------------
+* @access   public
+* @version  1.0
+* @since    24 Nov 2015
+*/
+if (!Number.prototype.trim) {
+    Number.prototype.trim = function (precision) {
+        var precision = precision || 11;
+        return Math.round(this * Math.pow(10, precision)) / Math.pow(10, precision);
+    };
+}
+
+/*
+Uppercase the first letter of string.
+---------------------------------------------------------------------
+> 'hello world'.trim()
+Hello world
+---------------------------------------------------------------------
+* @access   public
+* @version  1.0
+* @since    24 Nov 2015
+*/
+if (!String.prototype.ucfirst) {
+    String.prototype.ucfirst = function() {
+        return this.charAt(0).toUpperCase() + this.slice(1);
+    };
+}
+