| JavaScript - DOM compatibility | | Print | |
DOM compatibility
If you want to write a script that uses the W3C DOM when it is available, and otherwise uses the IE 4 DOM if it is available, 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. For example:
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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