compClasses: function() {
/* The functionality is different depending on the placement of curly brackets */
return
{
major: this.valA,
minor: this.valB
}
/* It works like this, please pay attention to the position of the curly brackets */
return {
major: this.valA,
minor: this.valB
}
}
JavaScript has a feature where it automatically adds semicolons to end statements when necessary. For example:
return
{
major: this.valA,
minor: this.valB
}
In this case, the return statement is executed as if you had written return;. However, if you write:
return {
major: this.valA,
minor: this.valB
}
the entire object will be returned with a semicolon added after the object.
The rules for automatic insertion of semicolons in JavaScript are as follows (source):
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