| comments | Javascript source | Execution result in your current browser |
|---|---|---|
| + string concatenation | var s1="hello"; var s2="world"; var msg=s1+" "+s2; document.write(msg); |
|
| + convert to string first | msg="the hour now is "+14; document.write(msg); |
|
| > or < alphabetical comparison | document.write(("A" < "a")+"<br/>");
document.write(("1" < "A")+"<br/>");
|
|
| > or < convert to number first if one operand is number | document.write( ("10" > "9") +"<br/>");
document.write( ( "10" > 9 ) +"<br/>");
|