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La mejor manera de manejar una declaración if/else al recuperar datos

Estoy usando este código para recuperar datos de un Sharepoint:

 $(function () { $.ajax({ url: '/sites/site/_api/web/lists/getbytitle(\'Townhall\')/items?&$orderby=Modified desc', method: "GET", headers: { "Accept": "application/json;odata=verbose" }, success: function (data) { var latestTHResults = data.d.results; console.log(latestTHResults); readData(latestTHResults); }, error: errorHandler() }); function errorHandler() { console.log('error'); } function readData(data) { var latestTHArray = [] for (var i = 0; i < 2; i++) { latestTHArray.push(data[i]); render(latestTHArray[i]); } }; function render(latestTHArray) { var latestTHTemplate = $("#latestTH-template").html(); var latestTHList = latestTHArray $("#latestTH").append(Mustache.render(latestTHTemplate, latestTHList)); }; });

En mi HTML, por ejemplo, el campo que intento recuperar es {{QA}} en el formato de una URL:

 <li><p>Q&As - </p><a href="{{QA}}" target="_blank">Download here</a></li>

Lo que necesito es algo como esto:

 <li><p>Q&As - </p> if {{QA}} = null display <p>Unavailable</p></li> else display <a href="{{QA}}" target="_blank">Download here</a></li>

¿Se puede hacer esto en HTML, JS nuevo o el JS existente que se usa para extraer los datos?

about 4 years ago · Juan Pablo Isaza
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