if not defined javascript
var a;
try {
a = b + 1; // throws ReferenceError if b is not defined
}
catch (e) {
a = 1; // apply some default behavior in case of error
}
finally {
a = a || 0; // normalize the result in any case
}if not defined javascript
var a;
try {
a = b + 1; // throws ReferenceError if b is not defined
}
catch (e) {
a = 1; // apply some default behavior in case of error
}
finally {
a = a || 0; // normalize the result in any case
}Copyright © 2021 Codeinu
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