JQuery determines when sub-iframe loading is complete solution_jquery

Encountered a scenario in the project: a button can only be clicked after the sub-iframe is loaded. This requires knowing when the iframe is loaded. This can be easily achieved with JQuery. The code is as follows:

Copy code The code is as follows:

var isOnLoad = true;
youIFrame.attr("src", url);
youIFrame.load(function() {
isOnLoad = false; // Loading completed
alert('load success');
});

Verified!