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This works:
var button = $A("#aba_but_del")[0];
button.innerHTML = Su.Ani.flipPane.p1;
But this does not work
var button_text = $A("#aba_but_del")[0].innerHTML;
button_text = Su.Ani.flipPane.p1;
Why?
According to https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Operator_Precedence, the . has highest precedence. Does this mean that .innerHTML is being applied to [0]?
1)
button_text is a string, no longer bound to the button DOM object.
So changing it will not impact the button element.
2)
Does this mean that .innerHTML is being applied to [0]? Yes. “.” and “[]” have the same priority going from left to right.