javascript-如何通过在 Chrome 中调试在一个 if 语句中查看每个条件的结果？

Question

I Have some javascript code that has if statements with multiple conditions.

I want to see which one is true or false in chrome debugging.

for example:

if(a.value=='' || (document.getElementById('test') && document.getElementById('test').value==='') || myfom_upload.value==='' || document.forms['test_form']['name'].value==='' || document.getElementById('test_id').value==='' )
{
 //some codes.
}

I want to see result of:

(a.value=='') ====>(true or false)?

(document.getElementById('test')) ====>(true or false)?

document.getElementById('test') ====>(true or false)?

(document.getElementById('test').value==='') ====> (true or false)?

(myfom_upload.value==='') ====>(true or false)?

document.forms['test_form']['name'].value==='' ====>(true or false)?

document.getElementById('test_id').value==='' ====>(true or false)?

How can I see result of every condition in one if statement By Debugging in Chrome?

Is there anyway in console.log or something else?

Thanks

Answer 1

1. Place your breakpoint on the line with the if condition
2. Trigger the event that executes the code.
3. When the execution pauses at the breakpoint, drag your cursor over to select a.value and hover over the selected text. You'll be able to see the value.
4. Repeat