javascript - JS get value of generated textnode -


i have javascript in loop:

renderaelements[i] = document.createelement ("a");         renderaelements[i].setattribute("href", "#");         renderaelements[i].setattribute("class", "expander");         renderaelements[i].appendchild(expand);          alert (renderaelements[i].nodevalue);

where expand created as:

var expand = document.createtextnode("+");

the alert, meant return link text of each created element returns null. why this?

because trying nodevalue of element node , not text node.

alert (renderaelements[i].firstchild.nodevalue);

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