html - How can I make this JavaScript code display the post title? -


i using tumblr badge script embed tumblr feed on website. originally, there no post title support added code.

posttitle = document.createelement("h3"); posttitle.classname = "tumblr-post-title"; posttitle.innerhtml = post["regular-title"]; listitem.appendchild(posttitle);

this display post title, on posts without titles displays "undefined" instead. there way fix this? thanks

if "regular-title" isn't property of post, return undefined. easy, quick fix return empty string if so:

posttitle.innerhtml = post["regular-title"] || "";

this check see if post["regular-title"] truthy value (not of these: false, 0, nan, undefined, "", null). if it's truthy, set innerhtml post["regular-title"]...otherwise "".


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