incorrect divids when using multiple boards

[jonasjul]

Questions 1 and 4 uses multiple jsxgraph boards, and the divid for the second board is "hard-coded" in the javascript code: var divid2 = "stack-jsxgraph-2" This won't work in a real-life context, and the second div-id needs to be determined from the "current" divid (ie. increment/decrement number at the end of id)

Maybe check out regexp in javascript here and here

[BlackBlueGreens]

Question 4 does use multiple jsxgraph boards, not sure if there is a version of question 1 which uses multiple jsxgraph boards.

[BlackBlueGreens]

function getNextDivId(currentId) {

// Extract the number at the end of the currentId string

var num = currentId.match(/\d+$/);

// Increment the number by 1

num = parseInt(num, 10) + 1;

// Return the new div id by replacing the number at the end of the currentId string with the incremented number

return currentId.replace(/\d+$/, num);

}

// example

var divid = "stack-jsxgraph-1";

var divid2 = getNextDivId(divid); // this outputs "stack-jsxgraph-2"