uncaught typeerror cannot read property addeventlistener of undefined

Error:Workaround:2.0 has no map, use NPM install [email protected] command compatible with version 1.0 vueHowever, an error occurs after installation: cannot read property ' component ' of undefinedSee a workaround:npm Install [email protected]; can solve the problem.But I did, or cannot read property ' component ' of

When manipulating an object in function (obj) {}, suddenly encountered "cannot read property ' DefaultView ' of undefined" JS Error!Print out obj to find the problem, when the JS function passes the Jquary object of the parent class, this passes the parent class HTML object. When this is called in the B function object, you need to copy this to a var thisobj=this

Using Ztree when not using the default 1.4 version of jquery, error cannot read property ' Msie ' of undefined　　$.browser This API from the beginning of jQuery1.9 formally abolished, JS code used to $.browser will report this error. See the official note for more information　　Workaround Add the following code before the jquery file is loaded, using the $.browser

JQuery cannot read property ' MSIE ' of undefined error resolution Recently upgraded a project jquery to the latest version and found that some pages reported the following error Cannot read property ' Msie ' of undefined On th