CODEWITHSUNDEEP
javascriptjqueryeclipsejsp
krick
krick

Reputation: 183

Why does Eclipse complain about missing semicolon in my javascript?

I'm having an issue with Eclipse where it's complaining about missing semicolons in javascript code in a jsp file. Given the two lines below, Eclipse complains about the first line and indicates that there's a missing semicolon right before the closing curly brace. It has no complaints about the second line. I'd prefer to use the first way, but I'm annoyed with the warnings. Is there a different syntax that I should be using? I'm also using JQuery, so I don't know if this is contributing to the parsing error in Eclipse.

var isFoo = ${actionBean.isFoo};  // javascript type is boolean

var isFoo = '${actionBean.isFoo}';  // javascript type is string

To answer some of the questions people have posed in the comments...

This code is from a JSP file and actionBean refers to the Java action bean for this page. "isFoo" is a member variable of the action bean. The syntax ${actionBean.isFoo} is JSP Expression Language (or EL for short) and it's used to evaluate a java variable in a JSP. In this case, my code takes the value from the java variable and assigns it to the javascript variable. The code works just fine, but Eclipse complains.

Upvotes: 1

Views: 8739

Answers (4)

Than Zaw Htet
Than Zaw Htet

Reputation: 1

Try looking in Window >> Preference >> Validation and disabling the JavaScript Validation option. See this image.

Upvotes: -1

roel
roel

Reputation: 2003

var isFoo = ${actionBean.isFoo};

is not javascript, it is JSF

Upvotes: 0

Ruben R Aparicio
Ruben R Aparicio

Reputation: 673

Eclipse is complaining because it is not really Javascript, and it is trying to parse it like Javascript. If it is really annoying you could disable the warning in the preferences, under your own risk to not be notified in other circumstances:

Disable semicolons

Upvotes: 2

Jordan Running
Jordan Running

Reputation: 106077

var isFoo = ${actionBean.isFoo};

This is not valid JavaScript, which is why you're getting a syntax error. I'm assuming the ${...} is supposed to do some interpolation in NetBeans, but Eclipse has no way of knowing that, and just tries to parse it as JavaScript. Unless there's an Eclipse plugin or setting for dealing with mixed code like this, you may just have to deal with seeing syntax errors.

Upvotes: 4

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