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How to write a script for "Select" lists using javascript

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27.How to write a script for "Select" lists using javascript

1. To remove an item from a list set it to null
mySelectObject.options[3] = null;
2. To truncate a list set its length to the maximum size you desire
mySelectObject.length = 2;
3. To delete all options in a select object set the length to 0.
mySelectObject.leng

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