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Empty string: Difference between revisions
Add Jsish
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Line 948:
# or:
s.length != 0 # etc.</lang>
=={{header|Jsish}}==
<lang javascript>/* Empty string, in Jsish */
var em1 = '';
var em2 = new String();
var str = 'non-empty';
;'Empty string tests';
;em1 == '';
;em1 === '';
;em1.length == 0;
;!em1;
;(em1) ? false : true;
;Object.is(em1, '');
;Object.is(em1, new String());
;'Non empty string tests';
;str != '';
;str !== '';
;str.length != 0;
;str.length > 0;
;!!str;
;(str) ? true : false;
;'Compare two empty strings';
;(em1 == em2);
;(em1 === em2);
/*
=!EXPECTSTART!=
'Empty string tests'
em1 == '' ==> true
em1 === '' ==> true
em1.length == 0 ==> true
!em1 ==> true
(em1) ? false : true ==> true
Object.is(em1, '') ==> true
Object.is(em1, new String()) ==> true
'Non empty string tests'
str != '' ==> true
str !== '' ==> true
str.length != 0 ==> true
str.length > 0 ==> true
!!str ==> true
(str) ? true : false ==> true
'Compare two empty strings'
(em1 == em2) ==> true
(em1 === em2) ==> true
=!EXPECTEND!=
*/</lang>
{{out}}
<pre>prompt$ jsish --U emptyString.jsi
'Empty string tests'
em1 == '' ==> true
em1 === '' ==> true
em1.length == 0 ==> true
!em1 ==> true
(em1) ? false : true ==> true
Object.is(em1, '') ==> true
Object.is(em1, new String()) ==> true
'Non empty string tests'
str != '' ==> true
str !== '' ==> true
str.length != 0 ==> true
str.length > 0 ==> true
!!str ==> true
(str) ? true : false ==> true
'Compare two empty strings'
(em1 == em2) ==> true
(em1 === em2) ==> true
prompt$ jsish -u emptyString.jsi
[PASS] emptyString.jsi</pre>
=={{header|Julia}}==
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