What does this do in javascript?

Question

I came across the function below in one of the SharePoint system javascript files.

function RTE_InsertImage(strBaseElementID)
{ULS1Lu:;
   //A bunch of javascript
}

I have never seen something like ULS1Lu:; in any of the javascript code I have worked with before. Does anyone know what this is doing?

Sorry the weak title on the question. I wasn't sure how else to phrase it.

possible duplicate of [Is using label's in JavaScript bad practice?](http://stackoverflow.com/questions/4906762/is-using-labels-in-javascript-bad-practice) — Jürgen Thelen, Aug 29 '12 at 19:20

score 10 · Accepted Answer · edited Aug 29 '12 at 18:35

10

Its a code label, technically they don't need the semicolon, but in javascript it shouldn't hurt. The label will allow a break or continue statement to jump the code back to it.

Most people consider that instead of labels it is better to use function calls whenever possible.

edited Aug 29 '12 at 18:35

ajax333221

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answered Aug 29 '12 at 18:05

Robert

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score 3 · Answer 2 · edited May 23 '17 at 12:04

3

Seems like they are just creating a Label. Possibly, as a marker or for some infamous use. Of course such labels owe a large part of their fame to goto statements.

edited May 23 '17 at 12:04

Community

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answered Aug 29 '12 at 18:05

WeaklyTyped

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What does this do in javascript?

2 Answers2