Pls how do I add this two functions I declared and store into another function(a third function) so I will be able to call the addition of the result of both functions using the third function? That is the code above! Answer Change your functions so they return the result instead of putting it in innerHTML. Then you can have
Tag: function
is it possible to combine these two functions into one?
I have two functions that are basically identical. The first function gets passed a mouse event where event.target is the input type=’checkbox’ the second function gets passed the input type=’checkbox’ is there a way to rewrite these into one function? Answer The only part of these two functions that differ are how you get the reference to the checkbox. So
Function return boolean statement
Task Instructions Your task in this activity is to create a function that checks if a person is old enough to vote by checking their age. This function is called isOldEnoughToVote(age) and has the following specifications: It takes an argument called age representing the age of the person. It checks if the age is greater than or equal to 18.
Adding onclick functions to buttons within JavaScript
I’m trying to make a quiz in JavaScript. Basically my code has a button that starts the quiz, and when I click it, I remove the button and add four more. To each of the buttons I added an onclick attribute. I expect this line to run the changeScore function when I click on the ‘responseOne’ button. The problem is
How can I make a dot nation on a function?
How can I make a dot notation on a function, I mean like in jQuery’s function. Example: Answer You simply return an object from the first funtion which itself has a function
How can I get data-id from multiple elements with single onclick?
as the title says I have multiple buttons which they have data-id. I want to open fancybox modal by getting the clicked buttons data-id. Each element on click will open their own modal. I can’t use class selector because this function is attached to somewhere else, and I know that $(this) here doesn’t mean clicked element. Thank you for your
Hoisting inside function – inner function and variable having same name – Output?
Not able to get this function execution. Can someone explain? Answer Function and variable declarations are hoisted. Function declarations also hoist the assignment of the value. So both function x and var x create a variable named x in the current scope. function x also assigns a function to that variable. Assignments with = are not hoisted. So x =
Map array of an array to an object in JavaScript [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 1 year ago. Improve this question I’m trying to convert an array within an array that looks like this To an object that looks like this I’m sure this isn’t to
function.name returns empty string if the function is added to an object by property
Consider this code example: Why is there a difference between the name properties of these two functions? Answer The technical explanation: NamedEvaluation The specification tells you: 13.2.5.5 Runtime Semantics: PropertyDefinitionEvaluation PropertyDefinition : PropertyName : AssignmentExpression Let propKey be the result of evaluating PropertyName. […] If IsAnonymousFunctionDefinition(AssignmentExpression) is true, then Let propValue be ? NamedEvaluation of AssignmentExpression with argument propKey. Else,
Setting interval only once by an event listener, but run other functions every time
See this code: I want the other functions to run every time the event occurs, but set the interval for sendEnemies only once. How can I do that? Answer Use a variable like var sentEnemies = false; outside function handleTouchStart and update it in the function to true the first time and use if(!sentEnemies) for the line to execute only