jquery variable to use in templates

Question

I have code like below.

{{lko}}, {{lja}}, {{len}} in html file Using this will yield no results. Can you tell me how to fix it?

{{#lko}}안녕{{/lko}}{{#lja}}今日は{{/lja}}{{#len}}Hello{{/len}} I want to use it in this form.

I'm sorry my English is bad.

                function getLanguage() {
                  return navigator.language || navigator.userLanguage;
                }
jQuery("#wpsc-nft-items-container").html(jQuery("#wpsc-nft-items-container").html() + wpscMustacheRender("nft-my-items-card", {                                    
                                    id: "#" + element.nft.nft_id,
                                    nftid: element.nft.nft_id,
                                    author: element.nft.attributes[0].value,
                                    author_external_url: element.nft.author_external_url,
                                    author_avatar: element.nft.author_avatar,
                                    author_account: element.nft.author_account,
                                    author_account_link: jQuery("#wpsc-nft-etherscan").val() + "address/" + element.nft.author_account,
                                    nft_account_link: jQuery("#wpsc-nft-etherscan").val() + "token/" + contract.contract + "?a=" + element.nft.nft_id,
                                    author_account_short: shortify(element.nft.author_account),
                                    title: element.nft.name,
                                    description: element.nft.description,
                                    category: find1stCat(element.nft.attributes),
                                    category_link: find1stCatLink(element.nft.attributes),
                                    media: displayMedia(element.media_type, element.json, getMediaURLs(element)),
                                    mediaclass: element.media_type == "image" ? "" : "noImage",
                                    tags: findAttrs(element.nft.attributes),
                                    url: element.nft.external_url,
                                    price: ret.amount,
                                    price_label: ret.label,
                                    lko: if(getLanguage() === 'ko-KR' || getLanguage() === 'kr'){"ko"},
                                    lja: if(getLanguage() === 'ja-JA' || getLanguage() === 'ja'){"ja"},
                                    len: if(getLanguage() === 'en-US' || getLanguage() === 'en'){""}
                                }