August 31, 2019

2) I said to set the default of the internal checkboxes equal to the external one. If all are checked, then also check the header checkbox. Title this checkbox as “Select All”, this will be your Master Checkbox. But question is Check if all checkboxes are selected. To get the state of a checkbox, whether checked or unchecked, you follow these steps: First, select the checkbox using the selecting DOM methods such as getElementById () or querySelector (). Uncheck the “check all” box when a related checkbox is un-checked. Everything in between will change its state to what happened to the first checkbox, if it was checked everything else will be checked, if it was unchecked on click then everything in the range will uncheck. 1. Most users would know that their webmail service such as GMail or Hotmail relies on checkboxes to select emails for moving and deleting messages. Handle the PHP naming convention

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