HTML and JavaScript Quick GuideLast updated Oct 2016JaveScript - DOM accessSelect an elementvar divEl = document.getElementById("elementID"); Change StyledivEl.style.backgroundColor = "red"; divEl.style.display = "none"; divEl.style.color = "blue"; Change HTMLdivEl.innerHTML = "Say something else, also takes HTML code"; JavaScript - ProgrammingVariablesnumber ->var i = 1; string -> var holder = "text goes here"; array -> var arrayHolder = ["text0","text1","text2"]; Iterate (increase/decrease numbers value)Notes - number represents any number and you can use any of the following signs + - * /Method 1 -> i = i + number; Method 2 -> i += number; Method 3 -> i++; (this only goes up by one)FunctionsStandard functionfunction doSomething() { Function that takes variables (arguments) function doSomething(variable1,variable2) { LoopsWhile Loopvar i = 0; For Loop for (var i = 0;i < number;i++){ If/Else |