The document.getElementsByName(name) method is used to read the object array. The usage is as follows:
var elements = document.getElementsByName("role");
("role" is the common name of each CheckBox in the CheckBox array)
for:
What are the definitions of arrays?
js string to array
Array initialization method
c array initialization method
How to find the maximum and minimum value of array elements in Java
How to remove the first few elements of an array in php
Summary of java basic knowledge
Zero-based Java self-study tutorial
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