List Code
add google captcha to enable and disable a form button
This will check if the google checkbox is checked and then enable or disable the form button depending on the outcome. This is just a basic version of this check, you should also check that the captu..
Generate a Random User Name
a function that will generate a random user name from a list of user names
Using Node to get a Web Dev Environment with livereload up and running
this is how i get a live reloading dev environment up and running on my windows pc's using node , npm and browsersync.
Using the Spread Operator to Evaluate Arrays In-Place Tests
My tests using the Spread Operator rather than the apply function. In the 1st function show_max_array i use the apply operator to convert the array into comma seperated values. In the show_max_array..
Using the rest operator to pass in a variable amount of arguments
If you don't know how many parameters you will need in your function you can use the rest operator to pass them in. ...
Default Parameters for Functions
You can pass in default parameters for functions so that if the function is used with no parameter it will use the default one.
Complex Arrow Function Example
Here is an example using a Complex or Higher Order arrow function, which slightly reduces the amount of code lines used. This should return the square root of all positive integers passed into it.
Writing Arrow Functions with Parameters
you can pass parameters to arrow functions as well as shown in the following demo, these functions are only meant to be used once where normal functions can be re-used.
using arrow functions to convert small functions into one line statement functions
in this exercise i will take a function variable and write it in one line using the arrow function
Prevent Object Mutation
This shows how you can lock an object so its content cannot be modified. if you comment out the line Object.freeze(my_object); it will allow it to be modified again.
Changing an array declared with const
a const means that you cannot re-declare the variable name, but you can still mutate an array content that is declared as a const. so you can see in the following example that even though the array is..
return a state name from an australian postcode
this will return an australian state code based on the postcode, so you can enter a valid postcode and see which state it belongs too. e.g: 2000 should return NSW
using let and const example
This example uses let and const rather than just vars, let can only be declaired once rather than overwritten like vars and const is a read only variable so it cant be changed.
using let rather than var
Using let rather than var and use strict can avoid some overwriting of variables i will write a function here that shows how let throws an error. This function now gives an error in the console. Uncau..
Use Multiple Conditional (Ternary) Operators
I actually find if then statements much easier to read than these ones, but these seem more efficient.
js - Use the Conditional (Ternary) Operator
this statement can be used instead of if this else that statements. to me it makes it look a bit more complex when reading it. this is the basic syntax. condition ? statement-if-true : statement-if-fa..
Use the parseInt Function with a Radix
This is the same as the parseint function, but you can also specify a base for the number which can be between 2 - 36. 2 is binary. Zeros and Ones. I think base 10 is the normal numbering system, but ..
Using parseInt in a function to return an integer or not
this function uses the parseInt function to return a proper integer or an error code if it can't. So this demo should return NaN for the Not an Int (x1235) and The int for the 00001235. I think that N..
Generate Random Whole Numbers within a Range
My testing for generating a random whole number within a range... 🤞 While the solution here works, it just loops until it gets a random number that is lower than the max, so not sure if this is th..
split a string into an array using split javascript
this will split the string into an array based on the spaces inbetween words. you can split it based on any character, for example if you had words in csv comma format you could use the second example..
get the current url in javascript
this will get the current address add it to a variable and show it on the result element
Custom 12 Grid using CSS Grid
For a while i have been using frameworks for their easy grid systems, like foundation and bootstrap. I guess this is a bit lazy and very bloated as you are loading the full css library and using about..
template for testing and live reloading html files
this is a template that i use while testing flat html files, if you add it to a server it will live reload. this does seem to cause issues depending on the site that is is used on, like reloading all ..
Radial Click Effect
shows the radial click effect like in the material design, so when you click a button it will show a click at that area with a nice animation. Uses CSS and javascript to generate this effect.
Generate Random Whole Numbers with JavaScript Function
generate a random whole number function with test buttons
Generate Random Fractions with JavaScript
generate a random fraction and add it to result when clicking a button
FCC - Basic: Profile Lookup
my solution to the FCC Basic js Profile Lookup, with added results area and button to run the function.
copy a file when the date of the source is newer than the destination
using xcopy and a loop i found this is a good way to make sure that changes in one file make their way across to another location using a windows batch file. this one loops every 5 seconds, i think yo..
Do While Loop
showing how to use a do while loop, i don't use these ones very often usually just a for loop.
for loop through an array with javascript
looping through an array with javascript using a basic for loop
get the average of a number list using an array in php
get the average of a array of numbers
sublime text find and replace style tag
good if you have inline styles you want to remove using regex find and replace. in sublime press ctrl + H to do find and replace then paste in the style="([^
tinymce remove auto p tags setting
this is the setting to remove the automatic p tag's when pressing enter and forces the use of br tags instead which can also be toggled, if you dont want it to add anything.
get the dimensions of an image with javascript
this will show the height and width of an image using javascript
target data attribute with css
you can add a data attribite and target it with css using the following demo
toggle div function with chevron up down toggle
showing an example of chevron toggles kinda like a manual accordion
form checkbox replacement with large tick using label
this is good if you want to change a form checkbox with the default and show a fancy tick or something else, this will still check the checkbox so will work normally as the form element
basic for loop odd numbers
a basic for loop with odd numbers adding to an array
check if something is an array
this function will check if something is an array
apache redirect to https ssl from normal
good if you have apache and access to htaccess file to redirect requests to https version of the site. this one also includes a rewrite to index.php so if you don't need this remove the last line.
getType function for js
this function returns the type of item, array object string number etc
Objects in javascript
creating and using an object in javascript, the full version of this testing is on codepen
card counting example from fcc
here is a solved version of the card counting function from free code camp you can test it using console log.
using switch with multiple identical cases
this can be used if you have several outcomes where the return value will be the same by omitting the break from the cases before the final
using switch in a function
This shows an example using the switch to select multiple options in a function, you can return from the switch with break, or you can end the whole function with return.
js function to calculate golf scores
this function will return the score name depending on the par and strokes for golf