var d = new Date("January 14, 2012");
console.log(d.toLocaleDateString());
d.setMonth(d.getMonth() - 3);
console.log(d.toLocaleDateString());
Here is what the above code is Doing:
1. Create a new Date object with the date January 14, 2012.
2. Print the date to the console.
3. Subtract three months from the date.
4. Print the date to the console.
String jsonString = new JSONObject() .put(“JSON1”, “Hello World!”) .put(“JSON2”, “Hello my World!”) .put(“JSON3”, new JSONObject().put(“key1”, “value1”)) .toString(); System.out.println(jsonString); Here is what the above code is Doing: 1. Create a new JSONObject 2. Add a string value to the JSONObject 3. Add another string value to the JSONObject 4. Add a JSONObject to the JSONObject 5….
//use this instead document.querySelectorAll(“.myclassname”); Here is what the above code is Doing: 1. Select all elements with the class name “myclassname” 2. Loop through each element 3. Add a click event listener to each element 4. When the element is clicked, run the function 5. The function will alert the text of the element
$(‘#test div.a:last’) Here is what the above code is Doing: 1. Select the element with the ID of test. 2. Find all the div elements that have a class of a. 3. Find the last div element that has a class of a.
(lemons) ? alert(“please give me a lemonade”) : alert(“then give me a beer”); Here is what the above code is Doing: 1. It’s checking if the variable lemons is equal to true. 2. If it is, it’s going to alert the user with the message “please give me a lemonade”. 3. If it’s not, it’s…
npx sequelize-cli migration:generate –name add-title-post-table Here is what the above code is Doing: 1. We’re using the sequelize-cli to generate a migration file. 2. We’re naming the migration file add-title-post-table. 3. We’re adding a title column to the Post table. 4. We’re adding a type of STRING to the title column. 5. We’re adding a…
$(function() { var json = { “people”: { “person”: [{ “name”: “Peter”, “age”: 43, “sex”: “male”}, { “name”: “Zara”, “age”: 65, “sex”: “female”}] } }; $.each(json.people.person, function(i, v) { if (v.name.search(new RegExp(/peter/i)) != -1) { alert(v.age); return; } }); }); Here is what the above code is Doing: 1. We create a JSON object with…