SyntaxFix

[javascript] jQuery / Javascript code check, if not undefined

I like this:

if (wlocation !== undefined)

But if you prefer the second way wouldn't be as you posted. It would be:

if (typeof wlocation  !== "undefined")

Examples related to javascript

• need to add a class to an element • How to make a variable accessible outside a function? • Hide Signs that Meteor.js was Used • How to create a showdown.js markdown extension • Please help me convert this script to a simple image slider • Highlight Anchor Links when user manually scrolls? • Summing radio input values • How to execute an action before close metro app WinJS • javascript, for loop defines a dynamic variable name • Getting all files in directory with ajax

Examples related to jquery

• How to make a variable accessible outside a function? • Jquery assiging class to th in a table • Please help me convert this script to a simple image slider • Highlight Anchor Links when user manually scrolls? • Getting all files in directory with ajax • Bootstrap 4 multiselect dropdown • Cross-Origin Read Blocking (CORB) • bootstrap 4 file input doesn't show the file name • Jquery AJAX: No 'Access-Control-Allow-Origin' header is present on the requested resource • how to remove json object key and value.?

Examples related to undefined

• Checking for Undefined In React • Raw_Input() Is Not Defined • How to resolve TypeError: Cannot convert undefined or null to object • "undefined" function declared in another file? • Passing Variable through JavaScript from one html page to another page • Javascript - removing undefined fields from an object • PHP How to fix Notice: Undefined variable: • Undefined Symbols for architecture x86_64: Compiling problems • Undefined or null for AngularJS • PHP Notice: Undefined offset: 1 with array when reading data