如果找不到ID（document.getElementById），希望JS继续

Question

I'm trying to make a javascript just "ignore" a missing div-id and keep running down the lines. Been searching for solutions, but most of them are either replacing the missing ID or putting information into an already existing one. I just want my script to be "okay" with the fact that certain ID's will not be found.

var Info01 = `Some text`;
document.getElementById("Info01").innerHTML = Info01;

var Info02 = `Some other text`;
document.getElementById("Info02").innerHTML = Info02;

If the div-id "Info01" isn't present, I want it to just be cool with that and do the next line and so on.

I've been trying some if-statements, but I'm just not good enough to figure it out by myself and google isn't providing me with the solution I'm looking for.

Hopefully someone can help!

Answer 1

Try something like this:

Check if the element with that ID exists first.

var Info01 = "Some text"; 

if(document.getElementById("Info01")) {
  document.getElementById("Info01").innerHTML = Info01;
}

var Info02 = "Some other text"; 

if(document.getElementById("Info02")) {
  document.getElementById("Info02").innerHTML = Info02;
}

Answer 2

Going a bit further with Zachary McGee's answer. You could avoid some repetition (and fetching twice the id within DOM):

 const info01 = "Some text" const info02 = "Some other text"; const setText = (id, content) => { const item = document.getElementById(id) if (item === null) return item.innerText = content } setText("Info01", info01) setText("Info02", info02) 

 <div id="Info02"></div> 

Also not that I am using .innerText rather than .innerHTML , since the former is sufficient for the needs of your question and the latter is subject to XSS .