$(function(){
// equal to $( document ).ready(function() {
});
Here is what the above code is Doing:
1. We’re using the jQuery library, which is a JavaScript library that makes it easier to use JavaScript on your website.
2. We’re using the $(function(){}); syntax to tell jQuery to run the code inside the function when the page is ready.
3. We’re using the $(“p”).hide(); syntax to tell jQuery to find all
elements on the page and hide them.
var colors = [“red”, “blue”, “green”]; var colorsString = colors.join(“,”); //”red,blue,green” Here is what the above code is Doing: 1. We create an array called colors. 2. We create a variable called colorsString. 3. We use the join() method to join the elements of the colors array into a string. 4. We separate each element…
n.save(function(err,room){ var newRoomId = room._id; }); Here is what the above code is Doing: 1. We create a new room object and save it to the database. 2. We create a new variable called newRoomId and set it equal to the id of the room we just created. Now that we have a room id,…
var msg = new SpeechSynthesisUtterance(“The number is ” + localStorage.getItem(“mynumber”)); msg.lang = ‘en-US’; msg.rate = 4; window.speechSynthesis.speak(msg); Here is what the above code is Doing: 1. It’s getting the number from localStorage. 2. It’s creating a new SpeechSynthesisUtterance object. 3. It’s setting the language to English. 4. It’s setting the rate to 4. 5. It’s…
“FooBar”.includes(“oo”); // true “FooBar”.includes(“foo”); // false “FooBar”.includes(“oo”, 2); // false Here is what the above code is Doing: 1. The first line checks if the string “FooBar” includes the string “oo”. 2. The second line checks if the string “FooBar” includes the string “foo”. 3. The third line checks if the string “FooBar” includes the…
function getContent() { return document.getElementById(“myParagraph”).innerHTML; } Here is what the above code is Doing: 1. It’s creating a function called getContent() 2. It’s using the document.getElementById() method to get the element with the id “myParagraph” 3. It’s using the innerHTML property to get the content of the element 4. It’s returning the content of the…
function injectScript(src,callback){ var script = document.createElement(‘script’); script.src = src; script.onload=function(){ callback(); } document.head.appendChild(script); } injectScript(‘https://www.mysite.com/somescript.js’, function(){ //the script is now all loaded }); Here is what the above code is Doing: 1. Create a script element 2. Set the src attribute to the script you want to load 3. Set the onload event to a…