what is uncaught type error in javascript

The previous time in the online copy of a JS effect, you need to refer to jquery 1.9.1.min.js, the previous project was referring to the jquery 1.5.1.min.jsAnd then found that some dynamically generated elements in the code useful to live methods are all invalid, debugging found JS error: uncaught TypeError: $ (...). Live is not a functionOnline A check originall

These JS codes are available on my JSP page:Load Data $ (document). Ready (function () { var param={};p Aram.page=3;param.size=10;$.post (home+ "/user/ Queryallinfo ", param,function (Result) {if (Result!=null result.success) {var obj =result.rows;for (var i = 0; I Lt Obj.length; i++) {var user =obj[i];var tr = "When you visit this page,Google Chrome F12 will prompt uncaught Referenceerror: $ is not def

Original: http://blog.csdn.net/lovelyelfpop/article/details/51328783Estimated many people use ExtJS6 + Sencha CMD 6, encountered a situation: the development of the time clearly normal, the build after the run to report the following errorUncaught typeerror:c is not a functionHeart 10,000 Grass mud horse Pentium: What's the hell is this? (which TM what JB thing?)

an "empty" value), i.e. no object is rendered (no objects value is present). It is one of the original JavaScript values.nullis a literal (not a property of a global object, undefined Yes)Console.log (NULL); Nullconsole.log (undefined);//undefinedconsole.log (window.null);//undefinedconsole.log (window.undefined);// U

Without the use of Seajs modularity, there is no problem referencing jquery.Later when using Seajs for modularity, when the introduction of jquery plug-ins, always reported such errors, the online search for the following reasons is probably:The path to the 1.jquery library file is incorrect, and checking the file path is