RB Library

RB.image()

Function:

RB.image({options})

Options:

• path: = URL of image you want create Return: Returns Image() object. Example:

let imageURL = './images/kitty.png'; //Set picture URL

let ourImage = RB.image({path: imageURL}); //Use RB.image() to get Image object

document.body.appendChild(ourImage); //Append image in body

RB.viewport()

Function:

RB.viewport({element: element})

Options:

• element: = HTML element you want to check is it in viewport or not.
• top: = value of px that shrinks detection field (viewport) from top.
• bottom: = value of px that shrinks detection field (viewport) from bottom. Return: Returns true if element is in viewport or false if it isn't. Example:

let ourElement = document.querySelector('#someelement'); //Get our element

document.addEventListener('scroll', () => { //Add scroll event to our document
        //Use RB.viewport() to check is element in viewport
        if(RB.viewport({element: ourElement, top: 0, bottom: 0})){ 
            //If it is set his "color" property blue
            ourElement.style.color = 'blue';
        } else {
            //If it isn't set his "color" property red
            ourElement.style.color = 'red';
        }
})

RB.append()

Function:

RB.append({element: element, parent: parent, content: content, properties: {properties}, show: show})

Options:

• element: = element you want to create, for example 'div'.
• parent: = element in which new element will be created.
• content: = text content you want put inside your elemet.
• propertis: = object holds properties you want to set to your object.
• show: = state which will manage rendering. If false element you are creating will not be really render on website, if true it iwll be rendered. As default "show = true". Return: Returns created element object, doesn't matter is "show" property true or false Example:

let myNewObj = RB.append({ //Assign object that will be returned to variable "myNewObj"
    element: 'div', 
    parent: document.body, 
    content: 'Hello world',
    properties: {id: 'someId', class: 'someClass1 someClass2'},
    show: true
});
//After that code run our <div id="someId" class="someClass">HelloWorld</div>
//is rendered in our document.body and assigned to our myNewObj