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How can I write a script to use either W3C DOM or IE 4 DOM depending on their availability?
If you want to write a script with the flexibility to use either W3C DOM or IE 4 DOM depending on their availability, then you can use a capability-testing approach that first checks for the existence of a method or property to determine whether the browser has the capability you desire.
The following is the code snippet showing the same −
if (document.getElementById) { // If the W3C method exists, use it } else if (document.all) { // If the all[] array exists, use it } else { // Otherwise use the legacy DOM }
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