Confluence Bookmarklets for Numbered Headings

AddNumbers.js

function addIndex() {
    var indices = [];

        jQuery(".ak-editor-content-area .ProseMirror").find("h1,h2,h3,h4,h5,h6").each(function(i,e) {
            var hIndex = parseInt(this.nodeName.substring(1)) - 1;
            if (indices.length - 1 > hIndex) {
                indices= indices.slice(0, hIndex + 1 );
            }
            if (indices[hIndex] == undefined) {
                indices[hIndex] = 0;
            }
            
            if (jQuery(this).html().toLowerCase() !== "table of contents"){
                indices[hIndex]++;
                jQuery(this).html(indices.join(".")+". " + removeNo(jQuery(this).html()));
            }
        });
}

function removeNo(str) {
    let newstr = str.trim();
    newstr = newstr.replace(/[\u00A0\u1680​\u180e\u2000-\u2009\u200a​\u200b​\u202f\u205f​\u3000]/g,' ');
    if(IsNumeric(newstr.substring(0,newstr.indexOf(' ')))){
        return newstr.substring(newstr.indexOf(' ')+1).trim();
    }
    return newstr;
}

function IsNumeric(num) {
    num = num.split('.').join("");
    return (num >=0 || num < 0);
}

addIndex();

RemoveNumbers.js

function removeIndex() {
    var indices = [];

        jQuery(".ak-editor-content-area .ProseMirror").find("h1,h2,h3,h4,h5,h6").each(function(i,e) {            
            jQuery(this).html(removeNo(jQuery(this).html()));
        });
}

function removeNo(str) {
    let newstr = str.trim();
    newstr = newstr.replace(/[\u00A0\u1680​\u180e\u2000-\u2009\u200a​\u200b​\u202f\u205f​\u3000]/g,' ');
    if(IsNumeric(newstr.substring(0,newstr.indexOf(' ')))){
        return newstr.substring(newstr.indexOf(' ')+1).trim();
    }
    return newstr;
}

function IsNumeric(num) {
    num = num.split('.').join("");
    return (num >=0 || num < 0);
}

removeIndex();

See details https://tdalon.blogspot.com/2024/02/confluence-numbered-headings.html