Differences between revisions 2 and 5 (spanning 3 versions)

Javascript

Create an regular expression object

Replace string 'aaa' by 'xyz'.

   1 var stringx = 'aaa bbb ccc';
   2 var regexx = new RegExp('aaa','g');
   3 stringx = stringx.replace( regexx , 'xyz' );

Delete property from object

   1 delete obj['propertyName'];

Number of milliseconds since epoch

   1 var nrmillis = Date.now();

Foreach in array

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach

   1 function logArrayElements(element, index, array) {
   2     console.log("a[" + index + "] = " + element);
   3 }
   4 [2, 5, 9].forEach(logArrayElements);
   5 // logs:
   6 // a[0] = 2
   7 // a[1] = 5
   8 // a[2] = 9
   9

-  ⇤ ← Revision 2 as of 2013-06-26 14:27:01 → 
  Size: 291
  Editor: www
  Comment:
+   ← Revision 5 as of 2014-03-14 20:42:49 → ⇥
  Size: 845
  Editor: 92
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 2:
-= Javascript regular expression =
+= Javascript =
 Line 7:
-{{{
+{{{#!highlight javascript
 Line 12:
+== Delete property from object ==
{{{#!highlight javascript
delete obj['propertyName'];
}}}

== Number of milliseconds since epoch ==
{{{#!highlight javascript
var nrmillis = Date.now();
}}}

== Foreach in array ==
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach

{{{#!highlight javascript
function logArrayElements(element, index, array) {
    console.log("a[" + index + "] = " + element);
}
[2, 5, 9].forEach(logArrayElements);
// logs:
// a[0] = 2
// a[1] = 5
// a[2] = 9
}}}