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Substr vs Substring in JavaScript

2019-01-29T21:21:27-04:00

JavaScript has some slick ways of dealing with strings (words, sentences, etc.)  There are a couple of methods in JavaScript called substr() and substring() that do similar but very different things.  Both are able to extract certain parts of a word or sentence to be used or validated.  The difference between them is substr gives a position and how many characters to extract, where substring gives a range of what characters to access.  For example, if we had this: var str = "SkillForge"; alert(str.substr(5,3)); This would return "For" because the 5  means start extracting from the 6th character, not the 5th.  Substr and substring start [...]

Substr vs Substring in JavaScript2019-01-29T21:21:27-04:00

JavaScript console.log vs console.dir

2018-11-24T19:39:05-04:00

So what is the difference between console.log and console.dir in JavaScript?  Well, let's take a look!  If we were to take this code: <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>console.log vs console.dir</title> </head> <body> <script> console.log("Why, hello!"); console.dir("Why, hello!"); </script> </body> </html> then put it in a text editor, then run it in a browser we would get a blank page.  That is because when we use these commands, they are only viewable in the console itself.  So to see what these commands actually do we need to right-click the page in Chrome or Firefox and choose the inspect option then the [...]

JavaScript console.log vs console.dir2018-11-24T19:39:05-04:00

innerHTML vs textContent – The Difference Between These JavaScript Properties

2018-11-12T11:19:38-04:00

innerHTML vs. textContent, what is the difference between these JavaScript properties and which one should you use?  They do the same thing, right?  No, they actually do not.  The difference between the .innerHTML and .textContent properties is all about the HTML my friends!  textContent renders text and only text, and innerHTML renders text with any HTML applied to it.  To illustrate, here's a quick example you can try in your chosen text editor (just copy and paste it in if you want): <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>innerHTML vs textContent</title> </head> <body> <h2>textContent:</h2> <!--Div that will hold the textContent text--> [...]

innerHTML vs textContent – The Difference Between These JavaScript Properties2018-11-12T11:19:38-04:00