Common Operations of JS and Jquery

String truncation:

1. Substr ()
2. Substring ()
3. Slice ()

String segmentation, merging, and search

1. Split ()
2. Concat ()
3. IndexOf ()
4. CharAt ()
5. Replace ()
6. Search ()

String case-sensitive Conversion

1. ToLowerCase ()
2. ToUpperCase ()

Jquery Checkbox selection judgment:

   1: jQuery(‘input[@name=checkbox1][@checked]’).each(funcion(){

   2:     if($(this).attr("checked")==true){

   3:         //TODO:

   4:     }

   5: })

   6:  

JQuery Radio selected:

$ ('Input [@ name = gender] [@ checked] '). val ();

Select is simple. val. Or: $ ("select option: selected ")

DOM operations

$ (). Find ()

$ (). Children ()

$ (). Parent ()

Regular Expression:

Mobile phone number:/^ (13 [0-9]) | (15 [^ 4, \ D]) | (18 [-9]) \ d {8} $/

Phone number:/^ (\ d {3, 4} \) | \ d {3, 4}-| \ s )*? \ D {7, 11} $/

Email:/^ \ w + (-\ w +) | (\. \ w +) * \ @ [A-Za-z0-9] + ((\. |-) [A-Za-z0-9] + )*\. [A-Za-z0-9] + $/s

HtmlDecode

 1  var s = "";   
 2         if (str.length == 0) return "";   
 3         s = str.replace(/&/g, ">");   
 4         s = s.replace(/</g,  "&lt;");   
 5         s = s.replace(/>/g,  "&gt;");   
 6         s = s.replace(/ /g,  "&nbsp;");   
 7         s = s.replace(/\'/g,   "'");   
 8         s = s.replace(/\"/g,   "&quot;");   
 9         s = s.replace(/\n/g,   "<br>");   
10         alert(s);
11         return    s;  

Super invincible domestic phone number + mobile phone number regular match:

/(^ (\ (0 \ d {2, 3} \) | 0 \ d {2, 3}-| (0 [12] \ d) | (0 [3-9] \ d {2}) \ d {7, 8} $) | (^ (13 [0-9]) | (15 [^ 4, \ D]) | (18 [0-9]) \ d {8 }$) | (^ \ d {7, 8} $ )/

Supported telephone formats such as (010), 010-, 010xxx (7-8), 13XXX, 15XXX, and 18XXX

Email regular:

/^ \ W + (-\ w +) | (\. \ w +) * \ @ [A-Za-z0-9] + ((\. |-) [A-Za-z0-9] + )*\. [A-Za-z0-9] + $/

Mobile phone Regular Expression: refer to the first regular expression.

 

Will be supplemented later...