jquery function application and form validation processing encountered in development

Finishing the front-end JS notes the first article!

Form form Submission

$ (". Submit"). Removeattr. (' onclick '); $ (' [name= ' form table sole name "]"). Submit;

Gets the ID of input

$ (' #id '). Val ();

Get the name of input

$ (' [name= ' name value '] '). Val ();

Each method matches the function specified by the element for each element

$ ("Li"). each (function ()) {}//For Li label matching this method

The Attr method returns the value of the property that sets the selected element

$ ("img"). attr ("width", "180");

The checkbox represents the HTML selection box

To perform a delete for the INPUT element matching method

var flag = 0;$ (' input:checkbox[name= "id[]"]:checked "). each (function (i) {flag = 1;});   if (flag = = 0) {alert (' Please select the data to be deleted '); return false;} Gets the form form execution method $ ("Form[name= ' OrderForm ')"). attr (' action ', ' {URL: The address of the Delete method} '); Confirm (' Are you sure you want to delete the selected data? ', ' Formsubmit (\ ' orderform\ ');

Json::encode converting an array to JSON data

JSON ($array) converts an array to a string

jquery function application and form validation processing encountered in development